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18cdee3bee
When we load the v12i32 type, the GenWidenVectorLoads method generates two loads: v8i32 and v4i32 and attempts to use CONCAT_VECTORS to join them. In this fix I concat undef values to widen the smaller value. The test "widen_load-2.ll" also exposes this bug on AVX. llvm-svn: 147964
13 lines
367 B
LLVM
13 lines
367 B
LLVM
; RUN: llc < %s -march=x86 -mcpu=corei7-avx -mattr=+avx -mtriple=i686-pc-win32 | FileCheck %s
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;CHECK: add18i16
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define void @add18i16(<18 x i16>* nocapture sret %ret, <18 x i16>* %bp) nounwind {
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;CHECK: vmovups
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%b = load <18 x i16>* %bp, align 16
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%x = add <18 x i16> zeroinitializer, %b
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store <18 x i16> %x, <18 x i16>* %ret, align 16
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;CHECK: ret
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ret void
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}
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