diff options
| author | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2014-03-02 15:26:36 +0000 |
|---|---|---|
| committer | Michael Kuperstein <michael.m.kuperstein@intel.com> | 2014-03-02 15:26:36 +0000 |
| commit | 661e288a70491d6d5067b71a3244967b31ec5b5a (patch) | |
| tree | b7815f866fec21722ad47ab71199dc217e2f38ae /llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll | |
| parent | ffe110b304782ca7d35cc36b512f153d8a1d3444 (diff) | |
| download | bcm5719-llvm-661e288a70491d6d5067b71a3244967b31ec5b5a.tar.gz bcm5719-llvm-661e288a70491d6d5067b71a3244967b31ec5b5a.zip | |
Ensure bitcode encoding of instructions and their operands stays stable.
This includes instructions that relate to memory access (load/store/GEP), comparison instructions and calls.
Work was done by lama.saba@intel.com.
llvm-svn: 202647
Diffstat (limited to 'llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll')
| -rw-r--r-- | llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll b/llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll new file mode 100644 index 00000000000..35fe0e25282 --- /dev/null +++ b/llvm/test/Bitcode/variableArgumentIntrinsic.3.2.ll @@ -0,0 +1,33 @@ +; RUN: llvm-dis < %s.bc| FileCheck %s
+
+; vaArgIntrinsic.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
+; The test checks that LLVM does not misread variable argument intrinsic instructions
+; of older bitcode files.
+
+define i32 @varArgIntrinsic(i32 %X, ...) {
+
+ %ap = alloca i8*
+ %ap2 = bitcast i8** %ap to i8*
+
+; CHECK: call void @llvm.va_start(i8* %ap2)
+ call void @llvm.va_start(i8* %ap2)
+
+; CHECK-NEXT: %tmp = va_arg i8** %ap, i32
+ %tmp = va_arg i8** %ap, i32
+
+ %aq = alloca i8*
+ %aq2 = bitcast i8** %aq to i8*
+
+; CHECK: call void @llvm.va_copy(i8* %aq2, i8* %ap2)
+ call void @llvm.va_copy(i8* %aq2, i8* %ap2)
+; CHECK-NEXT: call void @llvm.va_end(i8* %aq2)
+ call void @llvm.va_end(i8* %aq2)
+
+; CHECK-NEXT: call void @llvm.va_end(i8* %ap2)
+ call void @llvm.va_end(i8* %ap2)
+ ret i32 %tmp
+}
+
+declare void @llvm.va_start(i8*)
+declare void @llvm.va_copy(i8*, i8*)
+declare void @llvm.va_end(i8*)
\ No newline at end of file |
