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author | Tanya Lattner <tonic@nondot.org> | 2008-10-23 05:03:22 +0000 |
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committer | Tanya Lattner <tonic@nondot.org> | 2008-10-23 05:03:22 +0000 |
commit | e11adfd26fd843f9b037cb7063f8d9c4fe28b6d4 (patch) | |
tree | 0a58c91c71bb0f0d96231b25222a1f67081fc5d4 | |
parent | 07b9e8f94e1cb6dc10c5eea177b0461bcbea9317 (diff) | |
download | llvm-e11adfd26fd843f9b037cb7063f8d9c4fe28b6d4.tar.gz |
Merge from mainline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_24@58032 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp | 30 | ||||
-rw-r--r-- | test/CodeGen/X86/pr2924.ll | 24 |
2 files changed, 46 insertions, 8 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp index 76aecc312e41..364e9aa7e580 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp @@ -905,11 +905,13 @@ void SelectionDAGLowering::visitRet(ReturnInst &I) { SmallVector<SDValue, 8> NewValues; NewValues.push_back(getControlRoot()); for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) { - SDValue RetOp = getValue(I.getOperand(i)); - SmallVector<MVT, 4> ValueVTs; ComputeValueVTs(TLI, I.getOperand(i)->getType(), ValueVTs); - for (unsigned j = 0, f = ValueVTs.size(); j != f; ++j) { + unsigned NumValues = ValueVTs.size(); + if (NumValues == 0) continue; + + SDValue RetOp = getValue(I.getOperand(i)); + for (unsigned j = 0, f = NumValues; j != f; ++j) { MVT VT = ValueVTs[j]; // FIXME: C calling convention requires the return type to be promoted to @@ -2195,11 +2197,23 @@ void SelectionDAGLowering::visitVFCmp(User &I) { } void SelectionDAGLowering::visitSelect(User &I) { - SDValue Cond = getValue(I.getOperand(0)); - SDValue TrueVal = getValue(I.getOperand(1)); - SDValue FalseVal = getValue(I.getOperand(2)); - setValue(&I, DAG.getNode(ISD::SELECT, TrueVal.getValueType(), Cond, - TrueVal, FalseVal)); + SmallVector<MVT, 4> ValueVTs; + ComputeValueVTs(TLI, I.getType(), ValueVTs); + unsigned NumValues = ValueVTs.size(); + if (NumValues != 0) { + SmallVector<SDValue, 4> Values(NumValues); + SDValue Cond = getValue(I.getOperand(0)); + SDValue TrueVal = getValue(I.getOperand(1)); + SDValue FalseVal = getValue(I.getOperand(2)); + + for (unsigned i = 0; i != NumValues; ++i) + Values[i] = DAG.getNode(ISD::SELECT, TrueVal.getValueType(), Cond, + SDValue(TrueVal.getNode(), TrueVal.getResNo() + i), + SDValue(FalseVal.getNode(), FalseVal.getResNo() + i)); + + setValue(&I, DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], NumValues), + &Values[0], NumValues)); + } } diff --git a/test/CodeGen/X86/pr2924.ll b/test/CodeGen/X86/pr2924.ll new file mode 100644 index 000000000000..2cab56311659 --- /dev/null +++ b/test/CodeGen/X86/pr2924.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | llc +; PR2924 + +target datalayout = +"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i686-pc-linux-gnu" + +define x86_stdcallcc { i32, i8* } @_D3std6string7toupperFAaZAa({ i32, i8* } %s) { +entry_std.string.toupper: + %tmp58 = load i32* null + %tmp59 = icmp eq i32 %tmp58, 0 + %r.val = load { i32, i8* }* null, align 8 + %condtmp.0 = select i1 %tmp59, { i32, i8* } undef, { i32, i8* } %r.val + + ret { i32, i8* } %condtmp.0 +} +define { } @empty({ } %s) { +entry_std.string.toupper: + %tmp58 = load i32* null + %tmp59 = icmp eq i32 %tmp58, 0 + %r.val = load { }* null, align 8 + %condtmp.0 = select i1 %tmp59, { } undef, { } %r.val + ret { } %condtmp.0 +} |