xref: /aosp_15_r20/external/clang/test/CodeGenCXX/2009-12-23-MissingSext.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 %s -triple x86_64-unknown-unknown -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li // The store of p.y into the temporary was not
3*67e74705SXin Li // getting extended to 32 bits, so uninitialized
4*67e74705SXin Li // bits of the temporary were used.  7366161.
5*67e74705SXin Li struct foo {
6*67e74705SXin Li   char x:8;
7*67e74705SXin Li   signed int y:24;
8*67e74705SXin Li };
bar(struct foo p,int x)9*67e74705SXin Li int bar(struct foo p, int x) {
10*67e74705SXin Li // CHECK: bar
11*67e74705SXin Li // CHECK: %[[val:.*]] = load i32, i32* {{.*}}
12*67e74705SXin Li // CHECK-NEXT:          ashr i32 %[[val]]
13*67e74705SXin Li // CHECK:             = load i32, i32* {{.*}}
14*67e74705SXin Li // CHECK:             = load i32, i32* {{.*}}
15*67e74705SXin Li // CHECK: %[[val:.*]] = load i32, i32* {{.*}}
16*67e74705SXin Li // CHECK-NEXT:          ashr i32 %[[val]]
17*67e74705SXin Li   x = (p.y > x ? x : p.y);
18*67e74705SXin Li   return x;
19*67e74705SXin Li // CHECK: ret
20*67e74705SXin Li }
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