1 ; RUN: llc -march=arm64 -enable-no-nans-fp-math < %s | FileCheck %s
3 define double @test_direct(float %in) #1 {
4 ; CHECK-LABEL: test_direct:
5 %cmp = fcmp olt float %in, 0.000000e+00
6 %longer = fpext float %in to double
7 %val = select i1 %cmp, double 0.000000e+00, double %longer
13 define double @test_cross(float %in) #1 {
14 ; CHECK-LABEL: test_cross:
15 %cmp = fcmp olt float %in, 0.000000e+00
16 %longer = fpext float %in to double
17 %val = select i1 %cmp, double %longer, double 0.000000e+00
23 ; This isn't a min or a max, but passes the first condition for swapping the
24 ; results. Make sure they're put back before we resort to the normal fcsel.
25 define float @test_cross_fail(float %lhs, float %rhs) {
26 ; CHECK-LABEL: test_cross_fail:
27 %tst = fcmp une float %lhs, %rhs
28 %res = select i1 %tst, float %rhs, float %lhs
31 ; The register allocator would have to decide to be deliberately obtuse before
32 ; other register were used.
33 ; CHECK: fcsel s0, s1, s0, ne