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22 lines
835 B
LLVM
22 lines
835 B
LLVM
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck %s
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; Use buildFromShuffleMostly which allows this to be generated as two 128-bit
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; shuffles and an insert.
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; This is the (somewhat questionable) LLVM IR that is generated for:
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; x8.s0123456 = x8.s1234567; // x8 is a <8 x float> type
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; x8.s7 = f; // f is float
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define <8 x float> @test1(<8 x float> %a, float %b) {
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; CHECK-LABEL: test1:
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; CHECK: vinsertps
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; CHECK-NOT: vinsertps
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entry:
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%shift = shufflevector <8 x float> %a, <8 x float> undef, <7 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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%extend = shufflevector <7 x float> %shift, <7 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 undef>
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%insert = insertelement <8 x float> %extend, float %b, i32 7
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ret <8 x float> %insert
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}
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