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llvm-mirror/test/Bitcode/vscale-shuffle.ll
Eli Friedman ccb803369c [BitcodeReader] Fix DelayedShuffle handling for ConstantExpr shuffles.
The indexing was messed up, so the result was completely broken.

Shuffle constant exprs are rare in practice; without vscale types,
constant folding generally elminates them. So sort of hard to trip over.

Fixes regression from D72467.

(Recommitting after fix for memory leak.)

Differential Revision: https://reviews.llvm.org/D80330
2020-06-30 13:23:07 -07:00

11 lines
564 B
LLVM

; RUN: llvm-as < %s | llvm-dis -disable-output
; RUN: verify-uselistorder < %s
define void @f() {
%l = call <vscale x 16 x i8> @l(<vscale x 16 x i1> shufflevector (<vscale x 16 x i1> insertelement (<vscale x 16 x i1> undef, i1 true, i32 0), <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer))
%i = add <vscale x 2 x i64> undef, shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> undef, i64 1, i32 0), <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer)
unreachable
}
declare <vscale x 16 x i8> @l(<vscale x 16 x i1>)