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| -rw-r--r-- | llvm/test/Transforms/InstCombine/printf-3.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/printf-3.ll b/llvm/test/Transforms/InstCombine/printf-3.ll new file mode 100644 index 00000000000..8f3a36a1346 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/printf-3.ll @@ -0,0 +1,39 @@ +; Test that the printf library call simplifier works correctly. +; +; RUN: opt < %s -instcombine -S | FileCheck %s + +target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc18.0.0" + +@.str = private unnamed_addr constant [2 x i8] c"\0A\00", align 1 + +define void @test1() personality i32 (...)* @__CxxFrameHandler3 { +entry: + invoke void @_CxxThrowException(i8* null, i8* null) + to label %unreachable unwind label %catch.dispatch + +catch.dispatch: + %cs = catchswitch within none [label %catch] unwind to caller + +catch: + %cp = catchpad within %cs [i8* null, i32 64, i8* null] + %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0)) [ "funclet"(token %cp) ] + catchret from %cp to label %try.cont + +try.cont: + ret void + +unreachable: + unreachable +} + +; CHECK-DAG: define void @test1( +; CHECK: %[[CS:.*]] = catchswitch within none +; CHECK: %[[CP:.*]] = catchpad within %[[CS]] [i8* null, i32 64, i8* null] +; CHECK: call i32 @putchar(i32 10) [ "funclet"(token %[[CP]]) ] + +declare void @_CxxThrowException(i8*, i8*) + +declare i32 @__CxxFrameHandler3(...) + +declare i32 @printf(i8*, ...) |
