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a9f15ce71f
Previously this would fail with an assertion failure when trying to add an alignment attribute without a value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208935 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.3 KiB
LLVM
83 lines
2.3 KiB
LLVM
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
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; Each musttail call should fail to validate.
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declare x86_stdcallcc void @cc_mismatch_callee()
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define void @cc_mismatch() {
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; CHECK: mismatched calling conv
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musttail call x86_stdcallcc void @cc_mismatch_callee()
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ret void
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}
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declare void @more_parms_callee(i32)
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define void @more_parms() {
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; CHECK: mismatched parameter counts
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musttail call void @more_parms_callee(i32 0)
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ret void
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}
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declare void @mismatched_intty_callee(i8)
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define void @mismatched_intty(i32) {
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; CHECK: mismatched parameter types
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musttail call void @mismatched_intty_callee(i8 0)
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ret void
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}
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declare void @mismatched_vararg_callee(i8*, ...)
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define void @mismatched_vararg(i8*) {
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; CHECK: mismatched varargs
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musttail call void (i8*, ...)* @mismatched_vararg_callee(i8* null)
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ret void
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}
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; We would make this an implicit sret parameter, which would disturb the
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; tail call.
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declare { i32, i32, i32 } @mismatched_retty_callee(i32)
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define void @mismatched_retty(i32) {
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; CHECK: mismatched return types
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musttail call { i32, i32, i32 } @mismatched_retty_callee(i32 0)
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ret void
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}
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declare void @mismatched_byval_callee({ i32 }*)
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define void @mismatched_byval({ i32 }* byval %a) {
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; CHECK: mismatched ABI impacting function attributes
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musttail call void @mismatched_byval_callee({ i32 }* %a)
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ret void
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}
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declare void @mismatched_inreg_callee(i32 inreg)
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define void @mismatched_inreg(i32 %a) {
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; CHECK: mismatched ABI impacting function attributes
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musttail call void @mismatched_inreg_callee(i32 inreg %a)
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ret void
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}
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declare void @mismatched_sret_callee(i32* sret)
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define void @mismatched_sret(i32* %a) {
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; CHECK: mismatched ABI impacting function attributes
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musttail call void @mismatched_sret_callee(i32* sret %a)
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ret void
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}
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declare void @mismatched_alignment_callee(i32* byval align 8)
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define void @mismatched_alignment(i32* byval align 4 %a) {
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; CHECK: mismatched ABI impacting function attributes
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musttail call void @mismatched_alignment_callee(i32* byval align 8 %a)
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ret void
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}
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declare i32 @not_tail_pos_callee()
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define i32 @not_tail_pos() {
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; CHECK: musttail call must be precede a ret with an optional bitcast
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%v = musttail call i32 @not_tail_pos_callee()
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%w = add i32 %v, 1
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ret i32 %w
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}
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define void @inline_asm() {
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; CHECK: cannot use musttail call with inline asm
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musttail call void asm "ret", ""()
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ret void
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}
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