diff options
Diffstat (limited to 'test/CodeGen/ARM/fpcmp-f64-neon-opt.ll')
| -rw-r--r-- | test/CodeGen/ARM/fpcmp-f64-neon-opt.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fpcmp-f64-neon-opt.ll b/test/CodeGen/ARM/fpcmp-f64-neon-opt.ll new file mode 100644 index 000000000000..7444a6851d95 --- /dev/null +++ b/test/CodeGen/ARM/fpcmp-f64-neon-opt.ll @@ -0,0 +1,12 @@ +; RUN: llc -mtriple=linux-arm-gnueabihf -mattr=+neon %s -o - | FileCheck %s + +; Check that no intermediate integer register is used. +define i32 @no-intermediate-register-for-zero-imm(double %x) #0 { +entry: +; CHECK-LABEL: no-intermediate-register-for-zero-imm +; CHECK-NOT: vmov +; CHECK: vcmp + %cmp = fcmp une double %x, 0.000000e+00 + %conv = zext i1 %cmp to i32 + ret i32 %conv +} |