Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/SystemZ/fp-move-12.ll @ 120:1172e4bd9c6f
update 4.0.0
author | mir3636 |
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date | Fri, 25 Nov 2016 19:14:25 +0900 |
parents | |
children | c2174574ed3a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/SystemZ/fp-move-12.ll Fri Nov 25 19:14:25 2016 +0900 @@ -0,0 +1,33 @@ +; Test moves between FPRs on z13. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s + +; Test that we use LDR instead of LER. +define float @f1(float %a, float %b) { +; CHECK-LABEL: f1: +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + ret float %b +} + +; Test f64 moves. +define double @f2(double %a, double %b) { +; CHECK-LABEL: f2: +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + ret double %b +} + +; Test f128 moves. Since f128s are passed by reference, we need to force +; a copy by other means. +define void @f3(fp128 *%x) { +; CHECK-LABEL: f3: +; CHECK: lxr +; CHECK: axbr +; CHECK: br %r14 + %val = load volatile fp128 , fp128 *%x + %sum = fadd fp128 %val, %val + store volatile fp128 %sum, fp128 *%x + store volatile fp128 %val, fp128 *%x + ret void +}