llvm-6502/test/CodeGen/X86/pr21792.ll
2015-01-19 07:30:47 +00:00

42 lines
2.2 KiB
LLVM

; RUN: llc -mtriple=x86_64-linux -mcpu=corei7 < %s | FileCheck %s
; This fixes a missing cases in the MI scheduler's constrainLocalCopy exposed by
; PR21792
@stuff = external constant [256 x double], align 16
define void @func(<4 x float> %vx) {
entry:
%tmp2 = bitcast <4 x float> %vx to <2 x i64>
%and.i = and <2 x i64> %tmp2, <i64 8727373547504, i64 8727373547504>
%tmp3 = bitcast <2 x i64> %and.i to <4 x i32>
%index.sroa.0.0.vec.extract = extractelement <4 x i32> %tmp3, i32 0
%idx.ext = sext i32 %index.sroa.0.0.vec.extract to i64
%add.ptr = getelementptr inbounds i8* bitcast ([256 x double]* @stuff to i8*), i64 %idx.ext
%tmp4 = bitcast i8* %add.ptr to double*
%index.sroa.0.4.vec.extract = extractelement <4 x i32> %tmp3, i32 1
%idx.ext5 = sext i32 %index.sroa.0.4.vec.extract to i64
%add.ptr6 = getelementptr inbounds i8* bitcast ([256 x double]* @stuff to i8*), i64 %idx.ext5
%tmp5 = bitcast i8* %add.ptr6 to double*
%index.sroa.0.8.vec.extract = extractelement <4 x i32> %tmp3, i32 2
%idx.ext14 = sext i32 %index.sroa.0.8.vec.extract to i64
%add.ptr15 = getelementptr inbounds i8* bitcast ([256 x double]* @stuff to i8*), i64 %idx.ext14
%tmp6 = bitcast i8* %add.ptr15 to double*
%index.sroa.0.12.vec.extract = extractelement <4 x i32> %tmp3, i32 3
%idx.ext19 = sext i32 %index.sroa.0.12.vec.extract to i64
%add.ptr20 = getelementptr inbounds i8* bitcast ([256 x double]* @stuff to i8*), i64 %idx.ext19
%tmp7 = bitcast i8* %add.ptr20 to double*
%add.ptr46 = getelementptr inbounds i8* bitcast (double* getelementptr inbounds ([256 x double]* @stuff, i64 0, i64 1) to i8*), i64 %idx.ext
%tmp16 = bitcast i8* %add.ptr46 to double*
%add.ptr51 = getelementptr inbounds i8* bitcast (double* getelementptr inbounds ([256 x double]* @stuff, i64 0, i64 1) to i8*), i64 %idx.ext5
%tmp17 = bitcast i8* %add.ptr51 to double*
call void @toto(double* %tmp4, double* %tmp5, double* %tmp6, double* %tmp7, double* %tmp16, double* %tmp17)
ret void
; CHECK-LABEL: func:
; CHECK: pextrq $1, %xmm0,
; CHECK-NEXT: movd %xmm0, %r[[AX:..]]
; CHECK-NEXT: movslq %e[[AX]],
; CHECK-NEXT: sarq $32, %r[[AX]]
}
declare void @toto(double*, double*, double*, double*, double*, double*)