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TheRock/compiler/amd-llvm/clang/test/CodeGen/noundef-analysis.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.3 KiB
C++

// RUN: %clang_cc1 -triple arm64-darwin -enable-noundef-analysis -emit-llvm -o - %s | FileCheck %s -check-prefix ENABLED
// RUN: %clang_cc1 -triple arm64-darwin -no-enable-noundef-analysis -emit-llvm -o - %s | FileCheck %s -check-prefix DISABLED
union u1 {
int val;
};
struct s1 {
int val;
};
int indirect_callee_int(int a) { return a; }
union u1 indirect_callee_union(union u1 a) {
return a;
}
static int sink;
static void examineValue(int x) { sink = x; }
// ENABLED-LABEL: @main(
// ENABLED: [[CALL:%.*]] = call noundef {{.*}}i32 @_Z19indirect_callee_inti(i32 noundef {{.*}}0)
// ENABLED: [[CALL1:%.*]] = call i32 @_Z21indirect_callee_union2u1(i64 {{.*}})
// ENABLED: [[CALL2:%.*]] = call noalias noundef nonnull ptr @_Znwm(i64 noundef 4) #[[ATTR4:[0-9]+]]
// ENABLED: call void @_ZL12examineValuei(i32 noundef {{.*}})
// DISABLED-LABEL: @main(
// DISABLED: [[CALL:%.*]] = call {{.*}}i32 @_Z19indirect_callee_inti(i32 {{.*}}0)
// DISABLED: [[CALL1:%.*]] = call i32 @_Z21indirect_callee_union2u1(i64 {{.*}})
// DISABLED: [[CALL2:%.*]] = call noalias nonnull ptr @_Znwm(i64 4) #[[ATTR4:[0-9]+]]
// DISABLED: call void @_ZL12examineValuei(i32 {{.*}})
int main() {
indirect_callee_int(0);
indirect_callee_union((union u1){0});
auto s = new s1;
examineValue(s->val);
return 0;
}