forked from OSchip/llvm-project
1175 lines
28 KiB
LLVM
1175 lines
28 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=X64
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; PR3253
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; The register+memory form of the BT instruction should be usable on
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; pentium4, however it is currently disabled due to the register+memory
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; form having different semantics than the register+register form.
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; Test these patterns:
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; (X & (1 << N)) != 0 --> BT(X, N).
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; ((X >>u N) & 1) != 0 --> BT(X, N).
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; as well as several variations:
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; - The second form can use an arithmetic shift.
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; - Either form can use == instead of !=.
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; - Either form can compare with an operand of the &
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; instead of with 0.
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; - The comparison can be commuted (only cases where neither
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; operand is constant are included).
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; - The and can be commuted.
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define void @test2(i32 %x, i32 %n) nounwind {
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; X86-LABEL: test2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jb .LBB0_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB0_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: test2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jb .LBB0_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB0_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = lshr i32 %x, %n
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%tmp3 = and i32 %tmp29, 1
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @test2b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: test2b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB1_1
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; X86-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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; X86-NEXT: .LBB1_1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: retl
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;
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; X64-LABEL: test2b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB1_1
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; X64-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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; X64-NEXT: .LBB1_1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: retq
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entry:
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%tmp29 = lshr i32 %x, %n
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%tmp3 = and i32 1, %tmp29
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @atest2(i32 %x, i32 %n) nounwind {
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; X86-LABEL: atest2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jb .LBB2_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB2_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: atest2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jb .LBB2_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB2_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = ashr i32 %x, %n
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%tmp3 = and i32 %tmp29, 1
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @atest2b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: atest2b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB3_1
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; X86-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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; X86-NEXT: .LBB3_1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: retl
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;
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; X64-LABEL: atest2b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB3_1
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; X64-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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; X64-NEXT: .LBB3_1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: retq
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entry:
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%tmp29 = ashr i32 %x, %n
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%tmp3 = and i32 1, %tmp29
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @test3(i32 %x, i32 %n) nounwind {
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; X86-LABEL: test3:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB4_1
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; X86-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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; X86-NEXT: .LBB4_1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: retl
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;
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; X64-LABEL: test3:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB4_1
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; X64-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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; X64-NEXT: .LBB4_1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: retq
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entry:
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%tmp29 = shl i32 1, %n
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%tmp3 = and i32 %tmp29, %x
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @test3b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: test3b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB5_1
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; X86-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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; X86-NEXT: .LBB5_1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: retl
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;
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; X64-LABEL: test3b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB5_1
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; X64-NEXT: # %bb.2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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; X64-NEXT: .LBB5_1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: retq
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entry:
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%tmp29 = shl i32 1, %n
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%tmp3 = and i32 %x, %tmp29
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%tmp4 = icmp eq i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @testne2(i32 %x, i32 %n) nounwind {
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; X86-LABEL: testne2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB6_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB6_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: testne2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB6_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB6_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = lshr i32 %x, %n
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%tmp3 = and i32 %tmp29, 1
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%tmp4 = icmp ne i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @testne2b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: testne2b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB7_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB7_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: testne2b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB7_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB7_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = lshr i32 %x, %n
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%tmp3 = and i32 1, %tmp29
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%tmp4 = icmp ne i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @atestne2(i32 %x, i32 %n) nounwind {
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; X86-LABEL: atestne2:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB8_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB8_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: atestne2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB8_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB8_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = ashr i32 %x, %n
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%tmp3 = and i32 %tmp29, 1
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%tmp4 = icmp ne i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @atestne2b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: atestne2b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB9_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB9_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: atestne2b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB9_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB9_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = ashr i32 %x, %n
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%tmp3 = and i32 1, %tmp29
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%tmp4 = icmp ne i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @testne3(i32 %x, i32 %n) nounwind {
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; X86-LABEL: testne3:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB10_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB10_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: testne3:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB10_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB10_2: # %UnifiedReturnBlock
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; X64-NEXT: retq
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entry:
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%tmp29 = shl i32 1, %n
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%tmp3 = and i32 %tmp29, %x
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%tmp4 = icmp ne i32 %tmp3, 0
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb:
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call void @foo()
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ret void
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UnifiedReturnBlock:
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ret void
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}
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define void @testne3b(i32 %x, i32 %n) nounwind {
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; X86-LABEL: testne3b:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: btl %ecx, %eax
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; X86-NEXT: jae .LBB11_2
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; X86-NEXT: # %bb.1: # %bb
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; X86-NEXT: calll foo
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; X86-NEXT: .LBB11_2: # %UnifiedReturnBlock
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; X86-NEXT: retl
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;
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; X64-LABEL: testne3b:
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; X64: # %bb.0: # %entry
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; X64-NEXT: btl %esi, %edi
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; X64-NEXT: jae .LBB11_2
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; X64-NEXT: # %bb.1: # %bb
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; X64-NEXT: pushq %rax
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; X64-NEXT: callq foo
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; X64-NEXT: popq %rax
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; X64-NEXT: .LBB11_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %x, %tmp29
|
|
%tmp4 = icmp ne i32 %tmp3, 0
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query2(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query2:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB12_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB12_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query2:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB12_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB12_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = lshr i32 %x, %n
|
|
%tmp3 = and i32 %tmp29, 1
|
|
%tmp4 = icmp eq i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query2b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query2b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB13_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB13_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query2b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB13_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB13_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = lshr i32 %x, %n
|
|
%tmp3 = and i32 1, %tmp29
|
|
%tmp4 = icmp eq i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @aquery2(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: aquery2:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB14_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB14_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: aquery2:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB14_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB14_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = ashr i32 %x, %n
|
|
%tmp3 = and i32 %tmp29, 1
|
|
%tmp4 = icmp eq i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @aquery2b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: aquery2b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB15_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB15_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: aquery2b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB15_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB15_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = ashr i32 %x, %n
|
|
%tmp3 = and i32 1, %tmp29
|
|
%tmp4 = icmp eq i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query3(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query3:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB16_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB16_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query3:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB16_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB16_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %tmp29, %x
|
|
%tmp4 = icmp eq i32 %tmp3, %tmp29
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query3b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query3b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB17_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB17_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query3b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB17_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB17_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %x, %tmp29
|
|
%tmp4 = icmp eq i32 %tmp3, %tmp29
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query3x(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query3x:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB18_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB18_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query3x:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB18_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB18_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %tmp29, %x
|
|
%tmp4 = icmp eq i32 %tmp29, %tmp3
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @query3bx(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: query3bx:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jae .LBB19_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB19_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: query3bx:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jae .LBB19_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB19_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %x, %tmp29
|
|
%tmp4 = icmp eq i32 %tmp29, %tmp3
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne2(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne2:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB20_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB20_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne2:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB20_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB20_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = lshr i32 %x, %n
|
|
%tmp3 = and i32 %tmp29, 1
|
|
%tmp4 = icmp ne i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne2b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne2b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB21_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB21_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne2b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB21_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB21_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = lshr i32 %x, %n
|
|
%tmp3 = and i32 1, %tmp29
|
|
%tmp4 = icmp ne i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @aqueryne2(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: aqueryne2:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB22_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB22_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: aqueryne2:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB22_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB22_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = ashr i32 %x, %n
|
|
%tmp3 = and i32 %tmp29, 1
|
|
%tmp4 = icmp ne i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @aqueryne2b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: aqueryne2b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB23_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB23_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: aqueryne2b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB23_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB23_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = ashr i32 %x, %n
|
|
%tmp3 = and i32 1, %tmp29
|
|
%tmp4 = icmp ne i32 %tmp3, 1
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne3(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne3:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB24_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB24_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne3:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB24_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB24_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %tmp29, %x
|
|
%tmp4 = icmp ne i32 %tmp3, %tmp29
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne3b(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne3b:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB25_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB25_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne3b:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB25_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB25_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %x, %tmp29
|
|
%tmp4 = icmp ne i32 %tmp3, %tmp29
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne3x(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne3x:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB26_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB26_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne3x:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB26_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB26_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %tmp29, %x
|
|
%tmp4 = icmp ne i32 %tmp29, %tmp3
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
define void @queryne3bx(i32 %x, i32 %n) nounwind {
|
|
; X86-LABEL: queryne3bx:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: jb .LBB27_2
|
|
; X86-NEXT: # %bb.1: # %bb
|
|
; X86-NEXT: calll foo
|
|
; X86-NEXT: .LBB27_2: # %UnifiedReturnBlock
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: queryne3bx:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: jb .LBB27_2
|
|
; X64-NEXT: # %bb.1: # %bb
|
|
; X64-NEXT: pushq %rax
|
|
; X64-NEXT: callq foo
|
|
; X64-NEXT: popq %rax
|
|
; X64-NEXT: .LBB27_2: # %UnifiedReturnBlock
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%tmp29 = shl i32 1, %n
|
|
%tmp3 = and i32 %x, %tmp29
|
|
%tmp4 = icmp ne i32 %tmp29, %tmp3
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb:
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock:
|
|
ret void
|
|
}
|
|
|
|
declare void @foo()
|
|
|
|
define zeroext i1 @invert(i32 %flags, i32 %flag) nounwind {
|
|
; X86-LABEL: invert:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: notl %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: setb %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: invert:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: notl %edi
|
|
; X64-NEXT: btl %esi, %edi
|
|
; X64-NEXT: setb %al
|
|
; X64-NEXT: retq
|
|
%neg = xor i32 %flags, -1
|
|
%shl = shl i32 1, %flag
|
|
%and = and i32 %shl, %neg
|
|
%tobool = icmp ne i32 %and, 0
|
|
ret i1 %tobool
|
|
}
|
|
|
|
define zeroext i1 @extend(i32 %bit, i64 %bits) {
|
|
; X86-LABEL: extend:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: btl %ecx, %eax
|
|
; X86-NEXT: setb %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: extend:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: btl %edi, %esi
|
|
; X64-NEXT: setb %al
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%and = and i32 %bit, 31
|
|
%sh_prom = zext i32 %and to i64
|
|
%shl = shl i64 1, %sh_prom
|
|
%and1 = and i64 %shl, %bits
|
|
%tobool = icmp ne i64 %and1, 0
|
|
ret i1 %tobool
|
|
}
|
|
|
|
; TODO: BT fails to look through to demanded bits as c%32 has more than one use.
|
|
; void demanded_i32(int *a, int *b, unsigned c) {
|
|
; if ((a[c/32] >> (c % 32)) & 1)
|
|
; b[c/32] |= 1 << (c % 32);
|
|
; }
|
|
define void @demanded_i32(i32* nocapture readonly, i32* nocapture, i32) nounwind {
|
|
; X86-LABEL: demanded_i32:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: pushl %esi
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl %ecx, %eax
|
|
; X86-NEXT: shrl $5, %eax
|
|
; X86-NEXT: movl (%edx,%eax,4), %esi
|
|
; X86-NEXT: movl $1, %edx
|
|
; X86-NEXT: shll %cl, %edx
|
|
; X86-NEXT: btl %ecx, %esi
|
|
; X86-NEXT: jae .LBB30_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: orl %edx, (%ecx,%eax,4)
|
|
; X86-NEXT: .LBB30_2:
|
|
; X86-NEXT: popl %esi
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: demanded_i32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edx, %ecx
|
|
; X64-NEXT: movl %edx, %eax
|
|
; X64-NEXT: shrl $5, %eax
|
|
; X64-NEXT: movl (%rdi,%rax,4), %edi
|
|
; X64-NEXT: movl $1, %edx
|
|
; X64-NEXT: shll %cl, %edx
|
|
; X64-NEXT: btl %ecx, %edi
|
|
; X64-NEXT: jae .LBB30_2
|
|
; X64-NEXT: # %bb.1:
|
|
; X64-NEXT: orl %edx, (%rsi,%rax,4)
|
|
; X64-NEXT: .LBB30_2:
|
|
; X64-NEXT: retq
|
|
%4 = lshr i32 %2, 5
|
|
%5 = zext i32 %4 to i64
|
|
%6 = getelementptr inbounds i32, i32* %0, i64 %5
|
|
%7 = load i32, i32* %6, align 4
|
|
%8 = and i32 %2, 31
|
|
%9 = shl i32 1, %8
|
|
%10 = and i32 %7, %9
|
|
%11 = icmp eq i32 %10, 0
|
|
br i1 %11, label %16, label %12
|
|
|
|
; <label>:12:
|
|
%13 = getelementptr inbounds i32, i32* %1, i64 %5
|
|
%14 = load i32, i32* %13, align 4
|
|
%15 = or i32 %14, %9
|
|
store i32 %15, i32* %13, align 4
|
|
br label %16
|
|
|
|
; <label>:16:
|
|
ret void
|
|
}
|
|
|
|
; Make sure we can simplify bt when the shift amount has known zeros in it
|
|
; which cause the and mask to have bits removed.
|
|
define zeroext i1 @demanded_with_known_zeroes(i32 %bit, i32 %bits) {
|
|
; X86-LABEL: demanded_with_known_zeroes:
|
|
; X86: # %bb.0: # %entry
|
|
; X86-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-NEXT: shlb $2, %al
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movzbl %al, %eax
|
|
; X86-NEXT: btl %eax, %ecx
|
|
; X86-NEXT: setb %al
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: demanded_with_known_zeroes:
|
|
; X64: # %bb.0: # %entry
|
|
; X64-NEXT: shll $2, %edi
|
|
; X64-NEXT: btl %edi, %esi
|
|
; X64-NEXT: setb %al
|
|
; X64-NEXT: retq
|
|
entry:
|
|
%bit2 = shl i32 %bit, 2
|
|
%and = and i32 %bit2, 31
|
|
%shl = shl i32 1, %and
|
|
%and1 = and i32 %shl, %bits
|
|
%tobool = icmp ne i32 %and1, 0
|
|
ret i1 %tobool
|
|
}
|