323dc634b9
Usually this will abort fast-isel at the instruction using the non-legal result, but if the only use is in a different basic block, we'll incorrectly assume that the zext/sext is to i32 (rather than i128 in this case). Differential Revision: https://reviews.llvm.org/D61823 llvm-svn: 360616
43 lines
1.5 KiB
LLVM
43 lines
1.5 KiB
LLVM
; RUN: llc < %s -O0 -wasm-disable-explicit-locals -wasm-keep-registers -asm-verbose=false | FileCheck %s
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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-unknown"
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declare void @foo(i128)
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; CHECK-LABEL: test_zext:
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; CHECK-NEXT: .functype test_zext (i32) -> (){{$}}
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; CHECK-NEXT: i64.extend_i32_u $[[TMP3:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: i64.const $[[TMP4:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: i64.and $[[TMP1:[0-9]+]]=, $[[TMP3]], $[[TMP4]]{{$}}
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; CHECK-NEXT: i64.const $[[TMP2:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call foo, $[[TMP1]], $[[TMP2]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @test_zext(i1 %b) nounwind {
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%res = zext i1 %b to i128
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br label %next
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next: ; preds = %start
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call void @foo(i128 %res)
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ret void
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}
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; CHECK-LABEL: test_sext:
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; CHECK-NEXT:.functype test_sext (i32) -> (){{$}}
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; CHECK-NEXT: i64.extend_i32_u $[[TMP3:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: i64.const $[[TMP4:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: i64.and $[[TMP5:[0-9]+]]=, $[[TMP3]], $[[TMP4]]{{$}}
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; CHECK-NEXT: i64.const $[[TMP6:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: i64.sub $[[TMP1:[0-9]+]]=, $[[TMP6]], $[[TMP5]]{{$}}
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; CHECK-NEXT: local.copy $[[TMP2:[0-9]+]]=, $[[TMP1]]{{$}}
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; CHECK-NEXT: call foo, $[[TMP1]], $[[TMP2]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @test_sext(i1 %b) nounwind {
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%res = sext i1 %b to i128
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br label %next
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next: ; preds = %start
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call void @foo(i128 %res)
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ret void
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}
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