Changes in directory llvm-test/SingleSource/UnitTests/SignlessTypes:
cast.cpp updated: 1.2 -> 1.3
---
Log message:
Make it work on 64-bit systems.
---
Diffs of the changes: (+5 -4)
cast.cpp | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
Index: llvm-test/SingleSource/UnitTests/SignlessTypes/cast.cpp
diff -u llvm-test/SingleSource/UnitTests/SignlessTypes/cast.cpp:1.2
llvm-test/SingleSource/UnitTests/SignlessTypes/cast.cpp:1.3
--- llvm-test/SingleSource/UnitTests/SignlessTypes/cast.cpp:1.2 Sat Nov 25
21:41:57 2006
+++ llvm-test/SingleSource/UnitTests/SignlessTypes/cast.cpp Fri Apr 6
21:59:37 2007
@@ -138,10 +138,11 @@
// Cast of malloc result to another type
{
- int* int_ptr = (int*) malloc(sizeof(long));
- *int_ptr = 42;
- long* long_ptr = (long*) int_ptr;
- printf("%ld\n", *long_ptr);
+ // Note: must use volatile, otherwise g++ miscompiles at -O2 (but not LLVM)
+ volatile float* float_ptr = (float*) malloc(sizeof(unsigned));
+ *float_ptr = 10;
+ volatile unsigned* unsigned_ptr = (volatile unsigned*) float_ptr;
+ printf("%x\n", *unsigned_ptr);
}
// Propagation of single-use casts into other instructions
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