mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 18:31:04 +00:00
e87cadc49a
We were swapping the true & false results while testing for FMAX/FMIN, but not putting them back to the original state if the later checks failed. Should fix PR19700. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208469 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.0 KiB
LLVM
34 lines
1.0 KiB
LLVM
; 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
|
|
} |