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