
Similar to 806761a7629df268c8aed49657aeccffa6bca449 -mtriple= specifies the full target triple while -march= merely sets the architecture part of the default target triple, leaving a target triple which may not make sense. Therefore, -march= is error-prone and not recommended for tests without a target triple. The issue has been benign as we recognize avr-apple-darwin as ELF instead of rejecting it outrightly.
23 lines
577 B
LLVM
23 lines
577 B
LLVM
; RUN: llc < %s -mtriple=avr | FileCheck %s
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; The bug can be found here:
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; https://github.com/rust-lang/rust/issues/98167
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;
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; In this test, `extractvalue` + `call` generate a copy with overlapping
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; registers (`$r25r24 = COPY $r24r23`) that used to be expanded incorrectly.
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define void @main() {
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; CHECK-LABEL: main:
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; CHECK: rcall foo
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; CHECK-NEXT: mov r25, r24
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; CHECK-NEXT: mov r24, r23
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; CHECK-NEXT: rcall bar
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%1 = call { i8, i16 } @foo()
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%2 = extractvalue { i8, i16 } %1, 1
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call void @bar(i16 %2)
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ret void
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}
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declare { i8, i16 } @foo()
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declare void @bar(i16 %0)
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