llvm-project/llvm/test/CodeGen/X86/pseudo_cmov_lower1.ll

40 lines
1.3 KiB
LLVM

; RUN: llc < %s -mtriple=i386-linux-gnu -mattr=+sse2 -o - | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-linux-gnu -o - | FileCheck %s
; This test checks that only a single jae gets generated in the final code
; for lowering the CMOV pseudos that get created for this IR.
; CHECK-LABEL: foo1:
; CHECK: jae
; CHECK-NOT: jae
define double @foo1(float %p1, double %p2, double %p3) nounwind {
entry:
%c1 = fcmp oge float %p1, 0.000000e+00
%d0 = fadd double %p2, 1.25e0
%d1 = fadd double %p3, 1.25e0
%d2 = select i1 %c1, double %d0, double %d1
%d3 = select i1 %c1, double %d0, double %p2
%d4 = select i1 %c1, double %p3, double %d1
%d5 = fsub double %d2, %d3
%d6 = fadd double %d5, %d4
ret double %d6
}
; This test checks that only a single jae gets generated in the final code
; for lowering the CMOV pseudos that get created for this IR.
; CHECK-LABEL: foo2:
; CHECK: jae
; CHECK-NOT: jae
define float @foo2(float %p1, float %p2, float %p3) nounwind {
entry:
%c1 = fcmp oge float %p1, 0.000000e+00
%d0 = fadd float %p2, 1.25e0
%d1 = fadd float %p3, 1.25e0
%d2 = select i1 %c1, float %d0, float %d1
%d3 = select i1 %c1, float %d1, float %p2
%d4 = select i1 %c1, float %d0, float %p3
%d5 = fsub float %d2, %d3
%d6 = fadd float %d5, %d4
ret float %d6
}