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llvm-mirror/test/CodeGen/X86/2012-07-17-vtrunc.ll
Nadav Rotem 9df24d20a6 Fix a crash in the legalization of large vectors.
When truncating a result of a vector that is split we need
to use the result of the split vector, and not re-split the dead node.

llvm-svn: 160357
2012-07-17 09:07:37 +00:00

17 lines
602 B
LLVM

; RUN: llc < %s -march=x86-64 -mcpu=corei7
define void @autogen_SD33189483() {
BB:
br label %CF76
CF76: ; preds = %CF76, %BB
%Shuff13 = shufflevector <4 x i64> zeroinitializer, <4 x i64> undef, <4 x i32> zeroinitializer
%Tr16 = trunc <8 x i64> <i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1> to <8 x i1>
%E19 = extractelement <8 x i1> %Tr16, i32 2
br i1 %E19, label %CF76, label %CF78
CF78: ; preds = %CF78, %CF76
%BC = bitcast <4 x i64> %Shuff13 to <4 x double>
br label %CF78
}