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25 lines
758 B
25 lines
758 B
; RUN: llc < %s -mattr=+simd128 | FileCheck %s
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; Regression test for a crash caused by
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; WebAssemblyTargetLowering::ReplaceNodeResults not being
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; implemented. Since SIMD is enabled, sign_ext_inreg is custom lowered
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; but the result is i16, an illegal value. This requires
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; ReplaceNodeResults to resolve, but the default implementation is to
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; abort.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-emscripten"
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; CHECK: i32.load8_s
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; CHECK-NEXT: i32.store16
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define void @foo() {
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entry:
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%0 = load i32*, i32** undef, align 4
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%1 = load i32, i32* %0, align 4
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%2 = load i32, i32* undef, align 4
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%conv67 = trunc i32 %2 to i8
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%conv68 = sext i8 %conv67 to i16
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store i16 %conv68, i16* null, align 2
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ret void
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}
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