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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/printf-3.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.1 KiB
LLVM

; Test that the printf library call simplifier works correctly.
;
; RUN: opt < %s -passes=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 ptr @__CxxFrameHandler3 {
entry:
invoke void @_CxxThrowException(ptr null, ptr null)
to label %unreachable unwind label %catch.dispatch
catch.dispatch:
%cs = catchswitch within none [label %catch] unwind to caller
catch:
%cp = catchpad within %cs [ptr null, i32 64, ptr null]
%call = call i32 (ptr, ...) @printf(ptr @.str) [ "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]] [ptr null, i32 64, ptr null]
; CHECK: call i32 @putchar(i32 10) [ "funclet"(token %[[CP]]) ]
declare void @_CxxThrowException(ptr, ptr)
declare i32 @__CxxFrameHandler3(...)
declare i32 @printf(ptr, ...)