2007-11-06-InstrSched.ll
2.28 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mcpu=generic -mattr=+sse2 | FileCheck %s
define float @foo(i32* %x, float* %y, i32 %c) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: testl %eax, %eax
; CHECK-NEXT: je .LBB0_1
; CHECK-NEXT: # %bb.2: # %bb18.preheader
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_3: # %bb18
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: xorps %xmm1, %xmm1
; CHECK-NEXT: cvtsi2ssl (%edx,%esi,4), %xmm1
; CHECK-NEXT: mulss (%ecx,%esi,4), %xmm1
; CHECK-NEXT: addss %xmm1, %xmm0
; CHECK-NEXT: incl %esi
; CHECK-NEXT: cmpl %eax, %esi
; CHECK-NEXT: jb .LBB0_3
; CHECK-NEXT: jmp .LBB0_4
; CHECK-NEXT: .LBB0_1:
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: .LBB0_4: # %bb23
; CHECK-NEXT: movss %xmm0, (%esp)
; CHECK-NEXT: flds (%esp)
; CHECK-NEXT: addl $4, %esp
; CHECK-NEXT: popl %esi
; CHECK-NEXT: retl
entry:
%tmp2132 = icmp eq i32 %c, 0 ; <i1> [#uses=1]
br i1 %tmp2132, label %bb23, label %bb18
bb18: ; preds = %bb18, %entry
%i.0.reg2mem.0 = phi i32 [ 0, %entry ], [ %tmp17, %bb18 ] ; <i32> [#uses=3]
%res.0.reg2mem.0 = phi float [ 0.000000e+00, %entry ], [ %tmp14, %bb18 ] ; <float> [#uses=1]
%tmp3 = getelementptr i32, i32* %x, i32 %i.0.reg2mem.0 ; <i32*> [#uses=1]
%tmp4 = load i32, i32* %tmp3, align 4 ; <i32> [#uses=1]
%tmp45 = sitofp i32 %tmp4 to float ; <float> [#uses=1]
%tmp8 = getelementptr float, float* %y, i32 %i.0.reg2mem.0 ; <float*> [#uses=1]
%tmp9 = load float, float* %tmp8, align 4 ; <float> [#uses=1]
%tmp11 = fmul float %tmp9, %tmp45 ; <float> [#uses=1]
%tmp14 = fadd float %tmp11, %res.0.reg2mem.0 ; <float> [#uses=2]
%tmp17 = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2]
%tmp21 = icmp ult i32 %tmp17, %c ; <i1> [#uses=1]
br i1 %tmp21, label %bb18, label %bb23
bb23: ; preds = %bb18, %entry
%res.0.reg2mem.1 = phi float [ 0.000000e+00, %entry ], [ %tmp14, %bb18 ] ; <float> [#uses=1]
ret float %res.0.reg2mem.1
}