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0d47a2dcc0
This patch lowers the tail pseudoinstruction. This has been modeled after ARM's tail call opt. llvm-svn: 333137
21 lines
716 B
LLVM
21 lines
716 B
LLVM
; Check that we error out if tail is not possible but call is marked as mustail.
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; RUN: not llc -mtriple riscv32-unknown-linux-gnu -o - %s \
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; RUN: 2>&1 | FileCheck %s
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; RUN: not llc -mtriple riscv32-unknown-elf -o - %s \
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; RUN: 2>&1 | FileCheck %s
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; RUN: not llc -mtriple riscv64-unknown-linux-gnu -o - %s \
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; RUN: 2>&1 | FileCheck %s
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; RUN: not llc -mtriple riscv64-unknown-elf -o - %s \
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; RUN: 2>&1 | FileCheck %s
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%struct.A = type { i32 }
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declare void @callee_musttail(%struct.A* sret %a)
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define void @caller_musttail(%struct.A* sret %a) {
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; CHECK: LLVM ERROR: failed to perform tail call elimination on a call site marked musttail
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entry:
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musttail call void @callee_musttail(%struct.A* sret %a)
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ret void
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}
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