forked from OSchip/llvm-project
12 lines
495 B
C
12 lines
495 B
C
// RUN: %clang_cc1 -emit-llvm %s -o - -triple powerpc64le-linux-gnu | FileCheck %s
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// Sadly since this requires a register constraint to trigger we have to set
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// a target here.
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void a(void) {
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register unsigned long __sc_0 __asm__("r0");
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__asm__ __volatile__("mfcr %0" : "=&r"(__sc_0) : "0"(__sc_0));
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}
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// Check that we can generate code for this correctly. The matching input
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// constraint should not have an early clobber on it.
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// CHECK: call i64 asm sideeffect "mfcr $0", "=&{r0},{r0}"
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