From: Anton Korobeynikov Date: Thu, 16 Jul 2009 14:30:29 +0000 (+0000) Subject: Expand 32-bit bitconverts via memory X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;ds=inline;h=bb8a04806d6409fdeae04d1f662e0f0682596d41;p=oota-llvm.git Expand 32-bit bitconverts via memory git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76050 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp index 162f960f852..239a179e02e 100644 --- a/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -130,8 +130,8 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) : setOperationAction(ISD::FCOS, MVT::f64, Expand); // We have only 64-bit bitconverts - setOperationAction(ISD::BIT_CONVERT, MVT::f32, Promote); - setOperationAction(ISD::BIT_CONVERT, MVT::i32, Promote); + setOperationAction(ISD::BIT_CONVERT, MVT::f32, Expand); + setOperationAction(ISD::BIT_CONVERT, MVT::i32, Expand); setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand); setOperationAction(ISD::UINT_TO_FP, MVT::i64, Expand); diff --git a/test/CodeGen/SystemZ/2009-07-11-FloatBitConvert.ll b/test/CodeGen/SystemZ/2009-07-11-FloatBitConvert.ll new file mode 100644 index 00000000000..e1edfe2d8a5 --- /dev/null +++ b/test/CodeGen/SystemZ/2009-07-11-FloatBitConvert.ll @@ -0,0 +1,15 @@ +; ModuleID = 'bugpoint.test.bc' +target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16" +target triple = "s390x-linux" + +define float @foo(i32 signext %a) { +entry: + %b = bitcast i32 %a to float + ret float %b +} + +define i32 @bar(float %a) { +entry: + %b = bitcast float %a to i32 + ret i32 %b +} \ No newline at end of file