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Test case for 132396. rdar://problem/5660695

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Stuart Hastings 2011-06-01 15:50:29 +00:00
parent 1f9a09c614
commit b909d35de4
1 changed files with 99 additions and 0 deletions
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test/CodeGen/X86/2011-05-31-movmsk.ll Normal file
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; RUN: llc -mcpu=core2 < %s | FileCheck %s
; ModuleID = '<stdin>'
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"
target triple = "x86_64-apple-macosx10.6.6"
%0 = type { double }
%union.anon = type { float }
define i32 @double_signbit(double %d1) nounwind uwtable readnone ssp {
entry:
%__x.addr.i = alloca double, align 8
%__u.i = alloca %0, align 8
%0 = bitcast double* %__x.addr.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %0)
%1 = bitcast %0* %__u.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %1)
store double %d1, double* %__x.addr.i, align 8
%__f.i = getelementptr inbounds %0* %__u.i, i64 0, i32 0
store double %d1, double* %__f.i, align 8
%tmp = bitcast double %d1 to i64
; CHECK-NOT: shr
; CHECK: movmskpd
; CHECK-NEXT: and
%tmp1 = lshr i64 %tmp, 63
%shr.i = trunc i64 %tmp1 to i32
call void @llvm.lifetime.end(i64 -1, i8* %0)
call void @llvm.lifetime.end(i64 -1, i8* %1)
ret i32 %shr.i
}
define i32 @double_add_signbit(double %d1, double %d2) nounwind uwtable readnone ssp {
entry:
%__x.addr.i = alloca double, align 8
%__u.i = alloca %0, align 8
%add = fadd double %d1, %d2
%0 = bitcast double* %__x.addr.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %0)
%1 = bitcast %0* %__u.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %1)
store double %add, double* %__x.addr.i, align 8
%__f.i = getelementptr inbounds %0* %__u.i, i64 0, i32 0
store double %add, double* %__f.i, align 8
%tmp = bitcast double %add to i64
; CHECK-NOT: shr
; CHECK: movmskpd
; CHECK-NEXT: and
%tmp1 = lshr i64 %tmp, 63
%shr.i = trunc i64 %tmp1 to i32
call void @llvm.lifetime.end(i64 -1, i8* %0)
call void @llvm.lifetime.end(i64 -1, i8* %1)
ret i32 %shr.i
}
define i32 @float_signbit(float %f1) nounwind uwtable readnone ssp {
entry:
%__x.addr.i = alloca float, align 4
%__u.i = alloca %union.anon, align 4
%0 = bitcast float* %__x.addr.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %0)
%1 = bitcast %union.anon* %__u.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %1)
store float %f1, float* %__x.addr.i, align 4
%__f.i = getelementptr inbounds %union.anon* %__u.i, i64 0, i32 0
store float %f1, float* %__f.i, align 4
%2 = bitcast float %f1 to i32
; CHECK-NOT: shr
; CHECK: movmskps
; CHECK-NEXT: and
%shr.i = lshr i32 %2, 31
call void @llvm.lifetime.end(i64 -1, i8* %0)
call void @llvm.lifetime.end(i64 -1, i8* %1)
ret i32 %shr.i
}
define i32 @float_add_signbit(float %f1, float %f2) nounwind uwtable readnone ssp {
entry:
%__x.addr.i = alloca float, align 4
%__u.i = alloca %union.anon, align 4
%add = fadd float %f1, %f2
%0 = bitcast float* %__x.addr.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %0)
%1 = bitcast %union.anon* %__u.i to i8*
call void @llvm.lifetime.start(i64 -1, i8* %1)
store float %add, float* %__x.addr.i, align 4
%__f.i = getelementptr inbounds %union.anon* %__u.i, i64 0, i32 0
store float %add, float* %__f.i, align 4
%2 = bitcast float %add to i32
; CHECK-NOT: shr
; CHECK: movmskps
; CHECK-NEXT: and
%shr.i = lshr i32 %2, 31
call void @llvm.lifetime.end(i64 -1, i8* %0)
call void @llvm.lifetime.end(i64 -1, i8* %1)
ret i32 %shr.i
}
declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind