llvm/test/CFrontend/2007-04-11-InlineAsmUnion.c

// RUN: %llvmgcc %s -S -emit-llvm -o - | llvm-as | llc

union U { int x; float p; };
void foo() {
  union U bar;
  __asm__ volatile("foo %0\n" : "=r"(bar));
}
not all targets want to return an i32. What really matters is whether llc accepts the generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36569 91177308-0d34-0410-b5e6-96231b3b80d8 2007-04-29 18:59:01 +00:00			`// RUN: %llvmgcc %s -S -emit-llvm -o - \| llvm-as \| llc`
new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35927 91177308-0d34-0410-b5e6-96231b3b80d8 2007-04-11 22:36:10 +00:00
make this portable to 64-bit hosts git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36297 91177308-0d34-0410-b5e6-96231b3b80d8 2007-04-21 03:35:28 +00:00			`union U { int x; float p; };`
new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35927 91177308-0d34-0410-b5e6-96231b3b80d8 2007-04-11 22:36:10 +00:00			`void foo() {`
			`union U bar;`
			`__asm__ volatile("foo %0\n" : "=r"(bar));`
			`}`