llvm-project/llvm/test/tools/llvm-reduce/remove-arguments-preserve-fmf.ll

30 lines
1022 B
LLVM

; Check that when removing arguments, existing fast math flags are preserved
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=arguments --test FileCheck --test-arg --check-prefixes=INTERESTING --test-arg %s --test-arg --input-file %s -o %t
; RUN: FileCheck --check-prefixes=RESULT %s < %t
; INTERESTING-LABEL: @math_callee(
define float @math_callee(float %a, float %b) {
%add = fadd float %a, %b
ret float %add
}
; INTERESTING-LABEL: @math_callee_decl(
declare float @math_callee_decl(float %a, float %b)
; INTERESTING-LABEL: @math_caller(
; INTERESTING: call
; INTERESTING: call
; RESULT: %call0 = call nnan nsz float @math_callee(), !fpmath !0
; RESULT: %call1 = call ninf float @math_callee_decl()
define float @math_caller(float %x) {
%call0 = call nnan nsz float @math_callee(float %x, float 2.0), !fpmath !0
%call1 = call ninf float @math_callee_decl(float %x, float 2.0)
%result = fadd float %call0, %call1
ret float %result
}
; RESULT: !0 = !{float 2.000000e+00}
!0 = !{float 2.0}