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1; RUN: llc -O0 < %s -mtriple=s390x-linux-gnu 2>&1 | FileCheck %s2 3;; Tests that we can handle FAKE_USE instructions, emitting a comment for them4;; in the resulting assembly.5 6; CHECK: .type idd,@function7; CHECK: # %bb.0:8; CHECK-NEXT: # fake_use:9 10define double @idd(double %d) {11entry:12 notail call void (...) @llvm.fake.use(double %d)13 ret double %d14}15