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Add a test case for argument type coercion in an invoke of a vararg function

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This would have caught the bug I fixed in 223370.  



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223378 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Philip Reames 2014-12-04 19:13:45 +00:00
parent 327f2434da
commit ef7c2ff0f3
1 changed files with 20 additions and 0 deletions
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20
test/Transforms/InstCombine/cast.ll
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@ -99,6 +99,26 @@ define void @test11(i32* %P) {
; CHECK: ret void
}
declare i32 @__gxx_personality_v0(...)
define void @test_invoke_vararg_cast(i32* %a, i32* %b) {
entry:
%0 = bitcast i32* %b to i8*
%1 = bitcast i32* %a to i64*
invoke void (i32, ...)* @varargs(i32 1, i8* %0, i64* %1)
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
ret void
lpad: ; preds = %entry
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
ret void
; CHECK-LABEL: test_invoke_vararg_cast
; CHECK-LABEL: entry:
; CHECK: invoke void (i32, ...)* @varargs(i32 1, i32* %b, i32* %a)
}
define i8* @test13(i64 %A) {
%c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ; <i8*> [#uses=1]
ret i8* %c