llvm.org GIT mirror llvm / release_90 test / CodeGen / X86 / fixup-lea.ll
release_90

Tree @release_90 (Download .tar.gz)

fixup-lea.ll @release_90raw · history · blame

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;RUN: llc < %s -mtriple=i686-- -mattr=-slow-incdec | FileCheck %s -check-prefixes=CHECK,SLOW
;RUN: llc < %s -mtriple=i686-- -mattr=+slow-incdec | FileCheck %s -check-prefixes=CHECK,FAST

define void @foo(i32 inreg %dns) minsize {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    decl %ecx
; CHECK-NEXT:  .LBB0_1: # %for.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    movzwl %cx, %edx
; CHECK-NEXT:    decl %ecx
; CHECK-NEXT:    cmpl %eax, %edx
; CHECK-NEXT:    jl .LBB0_1
; CHECK-NEXT:  # %bb.2: # %for.end
; CHECK-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
  %dec = add i16 %i.05, -1
  %conv = zext i16 %dec to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end

for.end:
  ret void
}

define void @bar(i32 inreg %dns) minsize {
; CHECK-LABEL: bar:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    incl %ecx
; CHECK-NEXT:  .LBB1_1: # %for.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    movzwl %cx, %edx
; CHECK-NEXT:    incl %ecx
; CHECK-NEXT:    cmpl %eax, %edx
; CHECK-NEXT:    jl .LBB1_1
; CHECK-NEXT:  # %bb.2: # %for.end
; CHECK-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
  %inc = add i16 %i.05, 1
  %conv = zext i16 %inc to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end
for.end:
  ret void
}

define void @foo_optsize(i32 inreg %dns) optsize {
; CHECK-LABEL: foo_optsize:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    decl %ecx
; CHECK-NEXT:  .LBB2_1: # %for.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    movzwl %cx, %edx
; CHECK-NEXT:    decl %ecx
; CHECK-NEXT:    cmpl %eax, %edx
; CHECK-NEXT:    jl .LBB2_1
; CHECK-NEXT:  # %bb.2: # %for.end
; CHECK-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
  %dec = add i16 %i.05, -1
  %conv = zext i16 %dec to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end

for.end:
  ret void
}

define void @bar_optsize(i32 inreg %dns) optsize {
; CHECK-LABEL: bar_optsize:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    incl %ecx
; CHECK-NEXT:  .LBB3_1: # %for.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    movzwl %cx, %edx
; CHECK-NEXT:    incl %ecx
; CHECK-NEXT:    cmpl %eax, %edx
; CHECK-NEXT:    jl .LBB3_1
; CHECK-NEXT:  # %bb.2: # %for.end
; CHECK-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
  %inc = add i16 %i.05, 1
  %conv = zext i16 %inc to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end
for.end:
  ret void
}

define void @foo_nosize(i32 inreg %dns) {
; SLOW-LABEL: foo_nosize:
; SLOW:       # %bb.0: # %entry
; SLOW-NEXT:    movw $-1, %cx
; SLOW-NEXT:    .p2align 4, 0x90
; SLOW-NEXT:  .LBB4_1: # %for.body
; SLOW-NEXT:    # =>This Inner Loop Header: Depth=1
; SLOW-NEXT:    movzwl %cx, %edx
; SLOW-NEXT:    decl %ecx
; SLOW-NEXT:    cmpl %eax, %edx
; SLOW-NEXT:    jl .LBB4_1
; SLOW-NEXT:  # %bb.2: # %for.end
; SLOW-NEXT:    retl
;
; FAST-LABEL: foo_nosize:
; FAST:       # %bb.0: # %entry
; FAST-NEXT:    movw $-1, %cx
; FAST-NEXT:    .p2align 4, 0x90
; FAST-NEXT:  .LBB4_1: # %for.body
; FAST-NEXT:    # =>This Inner Loop Header: Depth=1
; FAST-NEXT:    movzwl %cx, %edx
; FAST-NEXT:    addl $-1, %ecx
; FAST-NEXT:    cmpl %eax, %edx
; FAST-NEXT:    jl .LBB4_1
; FAST-NEXT:  # %bb.2: # %for.end
; FAST-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ]
  %dec = add i16 %i.05, -1
  %conv = zext i16 %dec to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end

for.end:
  ret void
}

define void @bar_nosize(i32 inreg %dns) {
; SLOW-LABEL: bar_nosize:
; SLOW:       # %bb.0: # %entry
; SLOW-NEXT:    movw $1, %cx
; SLOW-NEXT:    .p2align 4, 0x90
; SLOW-NEXT:  .LBB5_1: # %for.body
; SLOW-NEXT:    # =>This Inner Loop Header: Depth=1
; SLOW-NEXT:    movzwl %cx, %edx
; SLOW-NEXT:    incl %ecx
; SLOW-NEXT:    cmpl %eax, %edx
; SLOW-NEXT:    jl .LBB5_1
; SLOW-NEXT:  # %bb.2: # %for.end
; SLOW-NEXT:    retl
;
; FAST-LABEL: bar_nosize:
; FAST:       # %bb.0: # %entry
; FAST-NEXT:    movw $1, %cx
; FAST-NEXT:    .p2align 4, 0x90
; FAST-NEXT:  .LBB5_1: # %for.body
; FAST-NEXT:    # =>This Inner Loop Header: Depth=1
; FAST-NEXT:    movzwl %cx, %edx
; FAST-NEXT:    addl $1, %ecx
; FAST-NEXT:    cmpl %eax, %edx
; FAST-NEXT:    jl .LBB5_1
; FAST-NEXT:  # %bb.2: # %for.end
; FAST-NEXT:    retl
entry:
  br label %for.body

for.body:
  %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ]
  %inc = add i16 %i.05, 1
  %conv = zext i16 %inc to i32
  %cmp = icmp slt i32 %conv, %dns
  br i1 %cmp, label %for.body, label %for.end
for.end:
  ret void
}