forked from OSchip/llvm-project
532 lines
15 KiB
LLVM
532 lines
15 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s -check-prefixes=X32
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; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse2 | FileCheck %s -check-prefixes=X64,X64-LIN
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; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse2 | FileCheck %s -check-prefixes=X64,X64-WIN
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; Though it is undefined, we want xor undef,undef to produce zero.
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define <4 x i32> @test1() nounwind {
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; X32-LABEL: test1:
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; X32: # %bb.0:
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; X32-NEXT: xorps %xmm0, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: test1:
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; X64: # %bb.0:
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; X64-NEXT: xorps %xmm0, %xmm0
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; X64-NEXT: retq
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%tmp = xor <4 x i32> undef, undef
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ret <4 x i32> %tmp
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}
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; Though it is undefined, we want xor undef,undef to produce zero.
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define i32 @test2() nounwind{
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; X32-LABEL: test2:
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; X32: # %bb.0:
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; X32-NEXT: xorl %eax, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test2:
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; X64: # %bb.0:
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: retq
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%tmp = xor i32 undef, undef
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ret i32 %tmp
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}
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define i32 @test3(i32 %a, i32 %b) nounwind {
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; X32-LABEL: test3:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: notl %eax
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; X32-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shrl %eax
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test3:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %esi, %eax
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; X64-LIN-NEXT: notl %eax
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; X64-LIN-NEXT: andl %edi, %eax
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; X64-LIN-NEXT: shrl %eax
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test3:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: movl %edx, %eax
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; X64-WIN-NEXT: notl %eax
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; X64-WIN-NEXT: andl %ecx, %eax
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; X64-WIN-NEXT: shrl %eax
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; X64-WIN-NEXT: retq
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entry:
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%tmp1not = xor i32 %b, -2
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%tmp3 = and i32 %tmp1not, %a
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%tmp4 = lshr i32 %tmp3, 1
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ret i32 %tmp4
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}
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define i32 @test4(i32 %a, i32 %b) nounwind {
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; X32-LABEL: test4:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: .p2align 4, 0x90
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; X32-NEXT: .LBB3_1: # %bb
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; X32-NEXT: # =>This Inner Loop Header: Depth=1
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; X32-NEXT: xorl %ecx, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: notl %edx
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; X32-NEXT: andl %ecx, %edx
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; X32-NEXT: addl %edx, %edx
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: jne .LBB3_1
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; X32-NEXT: # %bb.2: # %bb12
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test4:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: .p2align 4, 0x90
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; X64-LIN-NEXT: .LBB3_1: # %bb
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; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-LIN-NEXT: xorl %esi, %eax
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; X64-LIN-NEXT: movl %eax, %ecx
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; X64-LIN-NEXT: notl %ecx
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; X64-LIN-NEXT: andl %esi, %ecx
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; X64-LIN-NEXT: addl %ecx, %ecx
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; X64-LIN-NEXT: movl %ecx, %esi
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; X64-LIN-NEXT: jne .LBB3_1
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; X64-LIN-NEXT: # %bb.2: # %bb12
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test4:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: .p2align 4, 0x90
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; X64-WIN-NEXT: .LBB3_1: # %bb
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; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-WIN-NEXT: xorl %edx, %eax
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; X64-WIN-NEXT: movl %eax, %ecx
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; X64-WIN-NEXT: notl %ecx
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; X64-WIN-NEXT: andl %edx, %ecx
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; X64-WIN-NEXT: addl %ecx, %ecx
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; X64-WIN-NEXT: movl %ecx, %edx
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; X64-WIN-NEXT: jne .LBB3_1
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; X64-WIN-NEXT: # %bb.2: # %bb12
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; X64-WIN-NEXT: retq
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entry:
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br label %bb
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bb:
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%b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ]
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%a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ]
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%tmp3 = xor i32 %a_addr.0, %b_addr.0
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%tmp4not = xor i32 %tmp3, 2147483647
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%tmp6 = and i32 %tmp4not, %b_addr.0
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%tmp8 = shl i32 %tmp6, 1
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%tmp10 = icmp eq i32 %tmp8, 0
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br i1 %tmp10, label %bb12, label %bb
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bb12:
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ret i32 %tmp3
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}
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define i16 @test5(i16 %a, i16 %b) nounwind {
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; X32-LABEL: test5:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: .p2align 4, 0x90
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; X32-NEXT: .LBB4_1: # %bb
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; X32-NEXT: # =>This Inner Loop Header: Depth=1
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; X32-NEXT: xorl %ecx, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: notl %edx
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; X32-NEXT: andl %ecx, %edx
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; X32-NEXT: addl %edx, %edx
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; X32-NEXT: testw %dx, %dx
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: jne .LBB4_1
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; X32-NEXT: # %bb.2: # %bb12
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test5:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: .p2align 4, 0x90
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; X64-LIN-NEXT: .LBB4_1: # %bb
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; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-LIN-NEXT: xorl %esi, %eax
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; X64-LIN-NEXT: movl %eax, %ecx
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; X64-LIN-NEXT: notl %ecx
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; X64-LIN-NEXT: andl %esi, %ecx
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; X64-LIN-NEXT: addl %ecx, %ecx
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; X64-LIN-NEXT: testw %cx, %cx
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; X64-LIN-NEXT: movl %ecx, %esi
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; X64-LIN-NEXT: jne .LBB4_1
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; X64-LIN-NEXT: # %bb.2: # %bb12
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; X64-LIN-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test5:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: # kill: def $dx killed $dx def $edx
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: .p2align 4, 0x90
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; X64-WIN-NEXT: .LBB4_1: # %bb
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; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-WIN-NEXT: xorl %edx, %eax
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; X64-WIN-NEXT: movl %eax, %ecx
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; X64-WIN-NEXT: notl %ecx
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; X64-WIN-NEXT: andl %edx, %ecx
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; X64-WIN-NEXT: addl %ecx, %ecx
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; X64-WIN-NEXT: testw %cx, %cx
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; X64-WIN-NEXT: movl %ecx, %edx
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; X64-WIN-NEXT: jne .LBB4_1
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; X64-WIN-NEXT: # %bb.2: # %bb12
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; X64-WIN-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-WIN-NEXT: retq
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entry:
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br label %bb
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bb:
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%b_addr.0 = phi i16 [ %b, %entry ], [ %tmp8, %bb ]
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%a_addr.0 = phi i16 [ %a, %entry ], [ %tmp3, %bb ]
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%tmp3 = xor i16 %a_addr.0, %b_addr.0
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%tmp4not = xor i16 %tmp3, 32767
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%tmp6 = and i16 %tmp4not, %b_addr.0
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%tmp8 = shl i16 %tmp6, 1
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%tmp10 = icmp eq i16 %tmp8, 0
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br i1 %tmp10, label %bb12, label %bb
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bb12:
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ret i16 %tmp3
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}
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define i8 @test6(i8 %a, i8 %b) nounwind {
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; X32-LABEL: test6:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X32-NEXT: movb {{[0-9]+}}(%esp), %al
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; X32-NEXT: .p2align 4, 0x90
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; X32-NEXT: .LBB5_1: # %bb
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; X32-NEXT: # =>This Inner Loop Header: Depth=1
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; X32-NEXT: xorb %cl, %al
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: notb %dl
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; X32-NEXT: andb %cl, %dl
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; X32-NEXT: addb %dl, %dl
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: jne .LBB5_1
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; X32-NEXT: # %bb.2: # %bb12
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test6:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: .p2align 4, 0x90
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; X64-LIN-NEXT: .LBB5_1: # %bb
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; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-LIN-NEXT: xorb %sil, %al
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; X64-LIN-NEXT: movl %eax, %ecx
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; X64-LIN-NEXT: notb %cl
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; X64-LIN-NEXT: andb %sil, %cl
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; X64-LIN-NEXT: addb %cl, %cl
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; X64-LIN-NEXT: movl %ecx, %esi
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; X64-LIN-NEXT: jne .LBB5_1
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; X64-LIN-NEXT: # %bb.2: # %bb12
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; X64-LIN-NEXT: # kill: def $al killed $al killed $eax
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test6:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: .p2align 4, 0x90
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; X64-WIN-NEXT: .LBB5_1: # %bb
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; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-WIN-NEXT: xorb %dl, %al
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; X64-WIN-NEXT: movl %eax, %ecx
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; X64-WIN-NEXT: notb %cl
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; X64-WIN-NEXT: andb %dl, %cl
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; X64-WIN-NEXT: addb %cl, %cl
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; X64-WIN-NEXT: movl %ecx, %edx
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; X64-WIN-NEXT: jne .LBB5_1
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; X64-WIN-NEXT: # %bb.2: # %bb12
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; X64-WIN-NEXT: retq
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entry:
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br label %bb
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bb:
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%b_addr.0 = phi i8 [ %b, %entry ], [ %tmp8, %bb ]
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%a_addr.0 = phi i8 [ %a, %entry ], [ %tmp3, %bb ]
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%tmp3 = xor i8 %a_addr.0, %b_addr.0
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%tmp4not = xor i8 %tmp3, 127
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%tmp6 = and i8 %tmp4not, %b_addr.0
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%tmp8 = shl i8 %tmp6, 1
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%tmp10 = icmp eq i8 %tmp8, 0
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br i1 %tmp10, label %bb12, label %bb
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bb12:
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ret i8 %tmp3
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}
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define i32 @test7(i32 %a, i32 %b) nounwind {
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; X32-LABEL: test7:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: .p2align 4, 0x90
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; X32-NEXT: .LBB6_1: # %bb
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; X32-NEXT: # =>This Inner Loop Header: Depth=1
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; X32-NEXT: xorl %ecx, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: xorl $2147483646, %edx # imm = 0x7FFFFFFE
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; X32-NEXT: andl %ecx, %edx
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; X32-NEXT: addl %edx, %edx
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; X32-NEXT: movl %edx, %ecx
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; X32-NEXT: jne .LBB6_1
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; X32-NEXT: # %bb.2: # %bb12
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test7:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: .p2align 4, 0x90
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; X64-LIN-NEXT: .LBB6_1: # %bb
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; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-LIN-NEXT: xorl %esi, %eax
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; X64-LIN-NEXT: movl %eax, %ecx
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; X64-LIN-NEXT: xorl $2147483646, %ecx # imm = 0x7FFFFFFE
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; X64-LIN-NEXT: andl %esi, %ecx
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; X64-LIN-NEXT: addl %ecx, %ecx
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; X64-LIN-NEXT: movl %ecx, %esi
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; X64-LIN-NEXT: jne .LBB6_1
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; X64-LIN-NEXT: # %bb.2: # %bb12
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test7:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: .p2align 4, 0x90
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; X64-WIN-NEXT: .LBB6_1: # %bb
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; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-WIN-NEXT: xorl %edx, %eax
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; X64-WIN-NEXT: movl %eax, %ecx
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; X64-WIN-NEXT: xorl $2147483646, %ecx # imm = 0x7FFFFFFE
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; X64-WIN-NEXT: andl %edx, %ecx
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; X64-WIN-NEXT: addl %ecx, %ecx
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; X64-WIN-NEXT: movl %ecx, %edx
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; X64-WIN-NEXT: jne .LBB6_1
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; X64-WIN-NEXT: # %bb.2: # %bb12
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; X64-WIN-NEXT: retq
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entry:
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br label %bb
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bb:
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%b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ]
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%a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ]
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%tmp3 = xor i32 %a_addr.0, %b_addr.0
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%tmp4not = xor i32 %tmp3, 2147483646
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%tmp6 = and i32 %tmp4not, %b_addr.0
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%tmp8 = shl i32 %tmp6, 1
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%tmp10 = icmp eq i32 %tmp8, 0
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br i1 %tmp10, label %bb12, label %bb
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bb12:
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ret i32 %tmp3
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}
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; rdar://7553032
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define i32 @test8(i32 %a) nounwind {
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; X32-LABEL: test8:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: notl %eax
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test8:
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; X64-LIN: # %bb.0: # %entry
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: notl %eax
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test8:
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; X64-WIN: # %bb.0: # %entry
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: notl %eax
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; X64-WIN-NEXT: retq
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entry:
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%t1 = sub i32 0, %a
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%t2 = add i32 %t1, -1
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ret i32 %t2
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}
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define i32 @test9(i32 %a) nounwind {
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; X32-LABEL: test9:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: notl %eax
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; X32-NEXT: andl $4096, %eax # imm = 0x1000
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; X32-NEXT: retl
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;
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; X64-LIN-LABEL: test9:
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; X64-LIN: # %bb.0:
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; X64-LIN-NEXT: movl %edi, %eax
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; X64-LIN-NEXT: notl %eax
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; X64-LIN-NEXT: andl $4096, %eax # imm = 0x1000
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; X64-LIN-NEXT: retq
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;
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; X64-WIN-LABEL: test9:
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; X64-WIN: # %bb.0:
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; X64-WIN-NEXT: movl %ecx, %eax
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; X64-WIN-NEXT: notl %eax
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; X64-WIN-NEXT: andl $4096, %eax # imm = 0x1000
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; X64-WIN-NEXT: retq
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%1 = and i32 %a, 4096
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%2 = xor i32 %1, 4096
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ret i32 %2
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}
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; PR15948
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define <4 x i32> @test10(<4 x i32> %a) nounwind {
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; X32-LABEL: test10:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: andnps {{\.LCPI.*}}, %xmm0
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LIN-LABEL: test10:
|
|
; X64-LIN: # %bb.0:
|
|
; X64-LIN-NEXT: andnps {{.*}}(%rip), %xmm0
|
|
; X64-LIN-NEXT: retq
|
|
;
|
|
; X64-WIN-LABEL: test10:
|
|
; X64-WIN: # %bb.0:
|
|
; X64-WIN-NEXT: movaps (%rcx), %xmm0
|
|
; X64-WIN-NEXT: andnps __xmm@{{.*}}(%rip), %xmm0
|
|
; X64-WIN-NEXT: retq
|
|
%1 = and <4 x i32> %a, <i32 4096, i32 4096, i32 4096, i32 4096>
|
|
%2 = xor <4 x i32> %1, <i32 4096, i32 4096, i32 4096, i32 4096>
|
|
ret <4 x i32> %2
|
|
}
|
|
|
|
define i32 @PR17487(i1 %tobool) {
|
|
; X32-LABEL: PR17487:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
|
|
; X32-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
|
|
; X32-NEXT: pandn {{\.LCPI.*}}, %xmm0
|
|
; X32-NEXT: pshufd {{.*#+}} xmm1 = xmm0[3,1,2,3]
|
|
; X32-NEXT: movd %xmm1, %ecx
|
|
; X32-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
|
|
; X32-NEXT: movd %xmm0, %edx
|
|
; X32-NEXT: xorl $1, %edx
|
|
; X32-NEXT: xorl %eax, %eax
|
|
; X32-NEXT: orl %ecx, %edx
|
|
; X32-NEXT: setne %al
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LIN-LABEL: PR17487:
|
|
; X64-LIN: # %bb.0:
|
|
; X64-LIN-NEXT: movd %edi, %xmm0
|
|
; X64-LIN-NEXT: pextrw $0, %xmm0, %eax
|
|
; X64-LIN-NEXT: andl $1, %eax
|
|
; X64-LIN-NEXT: retq
|
|
;
|
|
; X64-WIN-LABEL: PR17487:
|
|
; X64-WIN: # %bb.0:
|
|
; X64-WIN-NEXT: andb $1, %cl
|
|
; X64-WIN-NEXT: movzbl %cl, %eax
|
|
; X64-WIN-NEXT: retq
|
|
%tmp = insertelement <2 x i1> undef, i1 %tobool, i32 1
|
|
%tmp1 = zext <2 x i1> %tmp to <2 x i64>
|
|
%tmp2 = xor <2 x i64> %tmp1, <i64 1, i64 1>
|
|
%tmp3 = extractelement <2 x i64> %tmp2, i32 1
|
|
%add = add nsw i64 0, %tmp3
|
|
%cmp6 = icmp ne i64 %add, 1
|
|
%conv7 = zext i1 %cmp6 to i32
|
|
ret i32 %conv7
|
|
}
|
|
|
|
define i32 @test11(i32 %b) {
|
|
; X32-LABEL: test11:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X32-NEXT: movl $-2, %eax
|
|
; X32-NEXT: roll %cl, %eax
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LIN-LABEL: test11:
|
|
; X64-LIN: # %bb.0:
|
|
; X64-LIN-NEXT: movl %edi, %ecx
|
|
; X64-LIN-NEXT: movl $-2, %eax
|
|
; X64-LIN-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-LIN-NEXT: roll %cl, %eax
|
|
; X64-LIN-NEXT: retq
|
|
;
|
|
; X64-WIN-LABEL: test11:
|
|
; X64-WIN: # %bb.0:
|
|
; X64-WIN-NEXT: movl $-2, %eax
|
|
; X64-WIN-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-WIN-NEXT: roll %cl, %eax
|
|
; X64-WIN-NEXT: retq
|
|
%shl = shl i32 1, %b
|
|
%neg = xor i32 %shl, -1
|
|
ret i32 %neg
|
|
}
|
|
|
|
%struct.ref_s = type { %union.v, i16, i16 }
|
|
%union.v = type { i64 }
|
|
|
|
define %struct.ref_s* @test12(%struct.ref_s* %op, i64 %osbot, i64 %intval) {
|
|
; X32-LABEL: test12:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: notl %eax
|
|
; X32-NEXT: leal (%eax,%eax,2), %eax
|
|
; X32-NEXT: shll $2, %eax
|
|
; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LIN-LABEL: test12:
|
|
; X64-LIN: # %bb.0:
|
|
; X64-LIN-NEXT: notl %edx
|
|
; X64-LIN-NEXT: movslq %edx, %rax
|
|
; X64-LIN-NEXT: shlq $4, %rax
|
|
; X64-LIN-NEXT: addq %rdi, %rax
|
|
; X64-LIN-NEXT: retq
|
|
;
|
|
; X64-WIN-LABEL: test12:
|
|
; X64-WIN: # %bb.0:
|
|
; X64-WIN-NEXT: notl %r8d
|
|
; X64-WIN-NEXT: movslq %r8d, %rax
|
|
; X64-WIN-NEXT: shlq $4, %rax
|
|
; X64-WIN-NEXT: addq %rcx, %rax
|
|
; X64-WIN-NEXT: retq
|
|
%neg = shl i64 %intval, 32
|
|
%sext = xor i64 %neg, -4294967296
|
|
%idx.ext = ashr exact i64 %sext, 32
|
|
%add.ptr = getelementptr inbounds %struct.ref_s, %struct.ref_s* %op, i64 %idx.ext
|
|
ret %struct.ref_s* %add.ptr
|
|
}
|
|
|
|
define i32 @PR39657(i8* %p, i64 %x) {
|
|
; X32-LABEL: PR39657:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: notl %ecx
|
|
; X32-NEXT: movl (%eax,%ecx,4), %eax
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LIN-LABEL: PR39657:
|
|
; X64-LIN: # %bb.0:
|
|
; X64-LIN-NEXT: notq %rsi
|
|
; X64-LIN-NEXT: movl (%rdi,%rsi,4), %eax
|
|
; X64-LIN-NEXT: retq
|
|
;
|
|
; X64-WIN-LABEL: PR39657:
|
|
; X64-WIN: # %bb.0:
|
|
; X64-WIN-NEXT: notq %rdx
|
|
; X64-WIN-NEXT: movl (%rcx,%rdx,4), %eax
|
|
; X64-WIN-NEXT: retq
|
|
%sh = shl i64 %x, 2
|
|
%mul = xor i64 %sh, -4
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i64 %mul
|
|
%bc = bitcast i8* %add.ptr to i32*
|
|
%load = load i32, i32* %bc, align 4
|
|
ret i32 %load
|
|
}
|
|
|