diff options
| -rw-r--r-- | test/CodeGen/X86/packed_struct.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/X86/packed_struct.ll b/test/CodeGen/X86/packed_struct.ll new file mode 100644 index 0000000..d027937 --- /dev/null +++ b/test/CodeGen/X86/packed_struct.ll @@ -0,0 +1,38 @@ +; RUN: llvm-as < %s | llc -march=x86 |grep "foos+5" && +; RUN: llvm-as < %s | llc -march=x86 |grep "foos+1" && +; RUN: llvm-as < %s | llc -march=x86 |grep "foos+9" && +; RUN: llvm-as < %s | llc -march=x86 |grep "bara+19" && +; RUN: llvm-as < %s | llc -march=x86 |grep "bara+4" + +; make sure we compute the correct offset for a packed structure + +;Note: codegen for this could change rendering the above checks wrong + +; ModuleID = 'foo.c' +target datalayout = "e-p:32:32" +target endian = little +target pointersize = 32 +target triple = "i686-pc-linux-gnu" + %struct.anon = type <{ sbyte, int, int, int }> +%foos = external global %struct.anon +%bara = weak global [4 x <{ int, sbyte }>] zeroinitializer + +implementation ; Functions: + +int %foo() { +entry: + %tmp = load int* getelementptr (%struct.anon* %foos, int 0, uint 1) + %tmp3 = load int* getelementptr (%struct.anon* %foos, int 0, uint 2) + %tmp6 = load int* getelementptr (%struct.anon* %foos, int 0, uint 3) + %tmp4 = add int %tmp3, %tmp + %tmp7 = add int %tmp4, %tmp6 + ret int %tmp7 +} + +sbyte %bar() { +entry: + %tmp = load sbyte* getelementptr([4 x <{ int, sbyte }>]* %bara, int 0, int 0, uint 1 ) + %tmp4 = load sbyte* getelementptr ([4 x <{ int, sbyte }>]* %bara, int 0, int 3, uint 1) + %tmp5 = add sbyte %tmp4, %tmp + ret sbyte %tmp5 +} |