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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-04-11 21:04:44 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-04-11 21:04:44 +0000 |
| commit | 6800b6d2afc0552264b63c204be94a3f8ccb2b17 (patch) | |
| tree | 08856fe8563bc67615fac1fded3bde95c6db98a6 /test/CodeGen/X86/isint.ll | |
| parent | d5a280dab133d623a9c3d77a8a8a9fabd2a2a06b (diff) | |
| download | llvm-6800b6d2afc0552264b63c204be94a3f8ccb2b17.tar.gz llvm-6800b6d2afc0552264b63c204be94a3f8ccb2b17.tar.bz2 llvm-6800b6d2afc0552264b63c204be94a3f8ccb2b17.tar.xz | |
Merging r203581:
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r203581 | hans | 2014-03-11 11:49:24 -0400 (Tue, 11 Mar 2014) | 7 lines
X86: Don't generate 64-bit movd after cmpneqsd in 32-bit mode (PR19059)
This fixes the bug where we would bitcast the 64-bit floating point result
of cmpneqsd to a 64-bit integer even on 32-bit targets.
Differential Revision: http://llvm-reviews.chandlerc.com/D3009
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@206071 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/isint.ll')
| -rw-r--r-- | test/CodeGen/X86/isint.ll | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/test/CodeGen/X86/isint.ll b/test/CodeGen/X86/isint.ll index 4a98e63f38..38d05c662b 100644 --- a/test/CodeGen/X86/isint.ll +++ b/test/CodeGen/X86/isint.ll @@ -1,6 +1,11 @@ -; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck %s +; RUN: llc < %s -mtriple=i686-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck %s + +; PR19059 +; RUN: llc < %s -mtriple=i686-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck -check-prefix=CHECK32 %s define i32 @isint_return(double %d) nounwind { +; CHECK-LABEL: isint_return: ; CHECK-NOT: xor ; CHECK: cvt %i = fptosi double %d to i32 @@ -8,6 +13,24 @@ define i32 @isint_return(double %d) nounwind { %e = sitofp i32 %i to double ; CHECK: cmpeqsd %c = fcmp oeq double %d, %e +; CHECK32-NOT: movd {{.*}}, %r{{.*}} +; CHECK32-NOT: andq +; CHECK-NEXT: movd +; CHECK-NEXT: andl + %z = zext i1 %c to i32 + ret i32 %z +} + +define i32 @isint_float_return(float %f) nounwind { +; CHECK-LABEL: isint_float_return: +; CHECK-NOT: xor +; CHECK: cvt + %i = fptosi float %f to i32 +; CHECK-NEXT: cvt + %g = sitofp i32 %i to float +; CHECK: cmpeqss + %c = fcmp oeq float %f, %g +; CHECK-NOT: movd {{.*}}, %r{{.*}} ; CHECK-NEXT: movd ; CHECK-NEXT: andl %z = zext i1 %c to i32 @@ -17,6 +40,7 @@ define i32 @isint_return(double %d) nounwind { declare void @foo() define void @isint_branch(double %d) nounwind { +; CHECK-LABEL: isint_branch: ; CHECK: cvt %i = fptosi double %d to i32 ; CHECK-NEXT: cvt |