1 ; RUN: llc -mcpu=core2 < %s | FileCheck %s 2 ; ModuleID = '<stdin>' 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4 target triple = "x86_64-apple-macosx10.6.6" 5 6 %0 = type { double } 7 %union.anon = type { float } 8 9 define i32 @double_signbit(double %d1) nounwind uwtable readnone ssp { 10 entry: 11 %__x.addr.i = alloca double, align 8 12 %__u.i = alloca %0, align 8 13 %0 = bitcast double* %__x.addr.i to i8* 14 %1 = bitcast %0* %__u.i to i8* 15 store double %d1, double* %__x.addr.i, align 8 16 %__f.i = getelementptr inbounds %0* %__u.i, i64 0, i32 0 17 store double %d1, double* %__f.i, align 8 18 %tmp = bitcast double %d1 to i64 19 ; CHECK-NOT: shr 20 ; CHECK: movmskpd 21 ; CHECK-NEXT: and 22 %tmp1 = lshr i64 %tmp, 63 23 %shr.i = trunc i64 %tmp1 to i32 24 ret i32 %shr.i 25 } 26 27 define i32 @double_add_signbit(double %d1, double %d2) nounwind uwtable readnone ssp { 28 entry: 29 %__x.addr.i = alloca double, align 8 30 %__u.i = alloca %0, align 8 31 %add = fadd double %d1, %d2 32 %0 = bitcast double* %__x.addr.i to i8* 33 %1 = bitcast %0* %__u.i to i8* 34 store double %add, double* %__x.addr.i, align 8 35 %__f.i = getelementptr inbounds %0* %__u.i, i64 0, i32 0 36 store double %add, double* %__f.i, align 8 37 %tmp = bitcast double %add to i64 38 ; CHECK-NOT: shr 39 ; CHECK: movmskpd 40 ; CHECK-NEXT: and 41 %tmp1 = lshr i64 %tmp, 63 42 %shr.i = trunc i64 %tmp1 to i32 43 ret i32 %shr.i 44 } 45 46 define i32 @float_signbit(float %f1) nounwind uwtable readnone ssp { 47 entry: 48 %__x.addr.i = alloca float, align 4 49 %__u.i = alloca %union.anon, align 4 50 %0 = bitcast float* %__x.addr.i to i8* 51 %1 = bitcast %union.anon* %__u.i to i8* 52 store float %f1, float* %__x.addr.i, align 4 53 %__f.i = getelementptr inbounds %union.anon* %__u.i, i64 0, i32 0 54 store float %f1, float* %__f.i, align 4 55 %2 = bitcast float %f1 to i32 56 ; CHECK-NOT: shr 57 ; CHECK: movmskps 58 ; CHECK-NEXT: and 59 %shr.i = lshr i32 %2, 31 60 ret i32 %shr.i 61 } 62 63 define i32 @float_add_signbit(float %f1, float %f2) nounwind uwtable readnone ssp { 64 entry: 65 %__x.addr.i = alloca float, align 4 66 %__u.i = alloca %union.anon, align 4 67 %add = fadd float %f1, %f2 68 %0 = bitcast float* %__x.addr.i to i8* 69 %1 = bitcast %union.anon* %__u.i to i8* 70 store float %add, float* %__x.addr.i, align 4 71 %__f.i = getelementptr inbounds %union.anon* %__u.i, i64 0, i32 0 72 store float %add, float* %__f.i, align 4 73 %2 = bitcast float %add to i32 74 ; CHECK-NOT: shr 75 ; CHECK: movmskps 76 ; CHECK-NEXT: and 77 %shr.i = lshr i32 %2, 31 78 ret i32 %shr.i 79 } 80 81 ; rdar://10247336 82 ; movmskp{s|d} only set low 4/2 bits, high bits are known zero 83 84 define i32 @t1(<4 x float> %x, i32* nocapture %indexTable) nounwind uwtable readonly ssp { 85 entry: 86 ; CHECK: t1: 87 ; CHECK: movmskps 88 ; CHECK-NOT: movslq 89 %0 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %x) nounwind 90 %idxprom = sext i32 %0 to i64 91 %arrayidx = getelementptr inbounds i32* %indexTable, i64 %idxprom 92 %1 = load i32* %arrayidx, align 4 93 ret i32 %1 94 } 95 96 define i32 @t2(<4 x float> %x, i32* nocapture %indexTable) nounwind uwtable readonly ssp { 97 entry: 98 ; CHECK: t2: 99 ; CHECK: movmskpd 100 ; CHECK-NOT: movslq 101 %0 = bitcast <4 x float> %x to <2 x double> 102 %1 = tail call i32 @llvm.x86.sse2.movmsk.pd(<2 x double> %0) nounwind 103 %idxprom = sext i32 %1 to i64 104 %arrayidx = getelementptr inbounds i32* %indexTable, i64 %idxprom 105 %2 = load i32* %arrayidx, align 4 106 ret i32 %2 107 } 108 109 declare i32 @llvm.x86.sse2.movmsk.pd(<2 x double>) nounwind readnone 110 declare i32 @llvm.x86.sse.movmsk.ps(<4 x float>) nounwind readnone 111
