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Diffstat (limited to 'test/CodeGen/SystemZ/fp-move-01.ll')
-rw-r--r-- | test/CodeGen/SystemZ/fp-move-01.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-move-01.ll b/test/CodeGen/SystemZ/fp-move-01.ll new file mode 100644 index 0000000..73cd978 --- /dev/null +++ b/test/CodeGen/SystemZ/fp-move-01.ll @@ -0,0 +1,30 @@ +; Test moves between FPRs. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Test f32 moves. +define float @f1(float %a, float %b) { +; CHECK: f1: +; CHECK: ler %f0, %f2 + ret float %b +} + +; Test f64 moves. +define double @f2(double %a, double %b) { +; CHECK: f2: +; CHECK: ldr %f0, %f2 + 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: f3: +; CHECK: lxr +; CHECK: axbr + %val = load volatile fp128 *%x + %sum = fadd fp128 %val, %val + store volatile fp128 %sum, fp128 *%x + store volatile fp128 %val, fp128 *%x + ret void +} |