672f673004
After D98856 these tests will by default break (fatal_error) if any of the wrong interfaces are used, so there's no longer a need to have a RUN line that checks for a warning message emitted by the compiler.
13 lines
585 B
LLVM
13 lines
585 B
LLVM
; RUN: opt -instsimplify -S < %s | FileCheck %s
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; Test back to back reverse shuffles are eliminated.
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define <vscale x 4 x i32> @shuffle_b2b_reverse(<vscale x 4 x i32> %a) {
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; CHECK-LABEL: @shuffle_b2b_reverse(
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; CHECK: ret <vscale x 4 x i32> %a
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%rev = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %a)
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%rev.rev = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %rev)
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ret <vscale x 4 x i32> %rev.rev
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}
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declare <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32>)
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