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Make x86-64 64-bit bitconvert work when SSE is not available.
(This worked as of about 6 months ago and I didn't track down exactly what broke it; I think this fix is appropriate.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103911 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -217,6 +217,10 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
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if (!X86ScalarSSEf64) {
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setOperationAction(ISD::BIT_CONVERT , MVT::f32 , Expand);
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setOperationAction(ISD::BIT_CONVERT , MVT::i32 , Expand);
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if (Subtarget->is64Bit()) {
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setOperationAction(ISD::BIT_CONVERT , MVT::f64 , Expand);
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setOperationAction(ISD::BIT_CONVERT , MVT::i64 , Expand);
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}
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}
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// Scalar integer divide and remainder are lowered to use operations that
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11
test/CodeGen/X86/2010-05-16-nosseconversion.ll
Normal file
11
test/CodeGen/X86/2010-05-16-nosseconversion.ll
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@ -0,0 +1,11 @@
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; RUN: llc -mtriple=x86_64-apple-darwin -mattr=-sse < %s
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@x = common global i64 0 ; <i64*> [#uses=1]
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define i32 @foo() nounwind readonly ssp {
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entry:
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%0 = load i64* @x, align 8 ; <i64> [#uses=1]
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%1 = uitofp i64 %0 to double ; <double> [#uses=1]
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%2 = fptosi double %1 to i32 ; <i32> [#uses=1]
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ret i32 %2
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}
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