diff options
Diffstat (limited to 'clang/test/CodeGen/bitfield-promote.c')
-rw-r--r-- | clang/test/CodeGen/bitfield-promote.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CodeGen/bitfield-promote.c b/clang/test/CodeGen/bitfield-promote.c new file mode 100644 index 0000000..4c3292c --- /dev/null +++ b/clang/test/CodeGen/bitfield-promote.c @@ -0,0 +1,18 @@ +// RUN: %clang -O3 -emit-llvm -S -o %t %s +// RUN: grep 'ret i64 4294967292' %t | count 2 +// RUN: grep 'ret i64 -4' %t | count 1 + +long long f0(void) { + struct { unsigned f0 : 32; } x = { 18 }; + return (long long) (x.f0 - (int) 22); +} + +long long f1(void) { + struct { unsigned f0 : 31; } x = { 18 }; + return (long long) (x.f0 - (int) 22); +} + +long long f2(void) { + struct { unsigned f0 ; } x = { 18 }; + return (long long) (x.f0 - (int) 22); +} |