forked from OSchip/llvm-project
189 lines
5.0 KiB
LLVM
189 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;RUN: llc < %s -mtriple=i686-- -mattr=-slow-incdec | FileCheck %s -check-prefixes=CHECK,SLOW
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;RUN: llc < %s -mtriple=i686-- -mattr=+slow-incdec | FileCheck %s -check-prefixes=CHECK,FAST
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define void @foo(i32 inreg %dns) minsize {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: decl %ecx
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; CHECK-NEXT: .LBB0_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movzwl %cx, %edx
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; CHECK-NEXT: decl %ecx
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; CHECK-NEXT: cmpl %eax, %edx
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; CHECK-NEXT: jl .LBB0_1
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; CHECK-NEXT: # %bb.2: # %for.end
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; CHECK-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
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%dec = add i16 %i.05, -1
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%conv = zext i16 %dec to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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define void @bar(i32 inreg %dns) minsize {
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; CHECK-LABEL: bar:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: incl %ecx
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; CHECK-NEXT: .LBB1_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movzwl %cx, %edx
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; CHECK-NEXT: incl %ecx
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; CHECK-NEXT: cmpl %eax, %edx
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; CHECK-NEXT: jl .LBB1_1
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; CHECK-NEXT: # %bb.2: # %for.end
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; CHECK-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
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%inc = add i16 %i.05, 1
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%conv = zext i16 %inc to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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define void @foo_optsize(i32 inreg %dns) optsize {
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; CHECK-LABEL: foo_optsize:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: decl %ecx
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; CHECK-NEXT: .LBB2_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movzwl %cx, %edx
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; CHECK-NEXT: decl %ecx
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; CHECK-NEXT: cmpl %eax, %edx
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; CHECK-NEXT: jl .LBB2_1
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; CHECK-NEXT: # %bb.2: # %for.end
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; CHECK-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
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%dec = add i16 %i.05, -1
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%conv = zext i16 %dec to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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define void @bar_optsize(i32 inreg %dns) optsize {
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; CHECK-LABEL: bar_optsize:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %ecx, %ecx
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; CHECK-NEXT: incl %ecx
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; CHECK-NEXT: .LBB3_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movzwl %cx, %edx
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; CHECK-NEXT: incl %ecx
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; CHECK-NEXT: cmpl %eax, %edx
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; CHECK-NEXT: jl .LBB3_1
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; CHECK-NEXT: # %bb.2: # %for.end
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; CHECK-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
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%inc = add i16 %i.05, 1
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%conv = zext i16 %inc to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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define void @foo_nosize(i32 inreg %dns) {
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; SLOW-LABEL: foo_nosize:
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; SLOW: # %bb.0: # %entry
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; SLOW-NEXT: movw $-1, %cx
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; SLOW-NEXT: .p2align 4, 0x90
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; SLOW-NEXT: .LBB4_1: # %for.body
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; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
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; SLOW-NEXT: movzwl %cx, %edx
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; SLOW-NEXT: decl %ecx
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; SLOW-NEXT: cmpl %eax, %edx
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; SLOW-NEXT: jl .LBB4_1
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; SLOW-NEXT: # %bb.2: # %for.end
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; SLOW-NEXT: retl
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;
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; FAST-LABEL: foo_nosize:
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; FAST: # %bb.0: # %entry
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; FAST-NEXT: movw $-1, %cx
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; FAST-NEXT: .p2align 4, 0x90
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; FAST-NEXT: .LBB4_1: # %for.body
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; FAST-NEXT: # =>This Inner Loop Header: Depth=1
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; FAST-NEXT: movzwl %cx, %edx
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; FAST-NEXT: addl $-1, %ecx
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; FAST-NEXT: cmpl %eax, %edx
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; FAST-NEXT: jl .LBB4_1
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; FAST-NEXT: # %bb.2: # %for.end
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; FAST-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
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%dec = add i16 %i.05, -1
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%conv = zext i16 %dec to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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define void @bar_nosize(i32 inreg %dns) {
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; SLOW-LABEL: bar_nosize:
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; SLOW: # %bb.0: # %entry
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; SLOW-NEXT: movw $1, %cx
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; SLOW-NEXT: .p2align 4, 0x90
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; SLOW-NEXT: .LBB5_1: # %for.body
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; SLOW-NEXT: # =>This Inner Loop Header: Depth=1
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; SLOW-NEXT: movzwl %cx, %edx
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; SLOW-NEXT: incl %ecx
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; SLOW-NEXT: cmpl %eax, %edx
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; SLOW-NEXT: jl .LBB5_1
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; SLOW-NEXT: # %bb.2: # %for.end
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; SLOW-NEXT: retl
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;
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; FAST-LABEL: bar_nosize:
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; FAST: # %bb.0: # %entry
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; FAST-NEXT: movw $1, %cx
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; FAST-NEXT: .p2align 4, 0x90
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; FAST-NEXT: .LBB5_1: # %for.body
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; FAST-NEXT: # =>This Inner Loop Header: Depth=1
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; FAST-NEXT: movzwl %cx, %edx
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; FAST-NEXT: addl $1, %ecx
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; FAST-NEXT: cmpl %eax, %edx
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; FAST-NEXT: jl .LBB5_1
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; FAST-NEXT: # %bb.2: # %for.end
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; FAST-NEXT: retl
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entry:
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br label %for.body
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for.body:
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%i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
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%inc = add i16 %i.05, 1
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%conv = zext i16 %inc to i32
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%cmp = icmp slt i32 %conv, %dns
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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