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https://github.com/c64scene-ar/llvm-6502.git
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1332459dbb
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203581 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck %s
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; RUN: llc < %s -mtriple=i686-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck %s
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; PR19059
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; RUN: llc < %s -mtriple=i686-pc-unknown -mattr=+sse2 -mcpu=penryn | FileCheck -check-prefix=CHECK32 %s
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define i32 @isint_return(double %d) nounwind {
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; CHECK-LABEL: isint_return:
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; CHECK-NOT: xor
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; CHECK: cvt
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%i = fptosi double %d to i32
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; CHECK-NEXT: cvt
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%e = sitofp i32 %i to double
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; CHECK: cmpeqsd
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%c = fcmp oeq double %d, %e
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; CHECK32-NOT: movd {{.*}}, %r{{.*}}
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; CHECK32-NOT: andq
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; CHECK-NEXT: movd
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; CHECK-NEXT: andl
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%z = zext i1 %c to i32
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ret i32 %z
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}
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define i32 @isint_float_return(float %f) nounwind {
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; CHECK-LABEL: isint_float_return:
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; CHECK-NOT: xor
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; CHECK: cvt
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%i = fptosi float %f to i32
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; CHECK-NEXT: cvt
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%g = sitofp i32 %i to float
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; CHECK: cmpeqss
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%c = fcmp oeq float %f, %g
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; CHECK-NOT: movd {{.*}}, %r{{.*}}
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; CHECK-NEXT: movd
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; CHECK-NEXT: andl
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%z = zext i1 %c to i32
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ret i32 %z
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}
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declare void @foo()
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define void @isint_branch(double %d) nounwind {
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; CHECK-LABEL: isint_branch:
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; CHECK: cvt
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%i = fptosi double %d to i32
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; CHECK-NEXT: cvt
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%e = sitofp i32 %i to double
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; CHECK: ucomisd
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%c = fcmp oeq double %d, %e
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; CHECK-NEXT: jne
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; CHECK-NEXT: jp
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br i1 %c, label %true, label %false
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true:
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call void @foo()
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ret void
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false:
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ret void
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}
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