Files
clang-p2996/llvm/test/Transforms/InstSimplify/ConstProp/round.ll
Bryan Chan 3404add468 [EarlyCSE] Verify hash code in regression tests
As discussed in D86843, -earlycse-debug-hash should be used in more regression
tests to catch inconsistency between the hashing and the equivalence check.

Differential Revision: https://reviews.llvm.org/D86863
2020-09-04 10:40:35 -04:00

93 lines
2.5 KiB
LLVM

; RUN: opt -S -early-cse -earlycse-debug-hash < %s | FileCheck %s
declare float @roundf(float) #0
declare float @llvm.round.f32(float) #0
declare double @round(double) #0
declare double @llvm.round.f64(double) #0
; CHECK-LABEL: @constant_fold_round_f32_01
; CHECK-NEXT: ret float 1.000000e+00
define float @constant_fold_round_f32_01() #0 {
%x = call float @roundf(float 1.25) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f32_02
; CHECK-NEXT: ret float -1.000000e+00
define float @constant_fold_round_f32_02() #0 {
%x = call float @llvm.round.f32(float -1.25) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f32_03
; CHECK-NEXT: ret float 2.000000e+00
define float @constant_fold_round_f32_03() #0 {
%x = call float @roundf(float 1.5) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f32_04
; CHECK-NEXT: ret float -2.000000e+00
define float @constant_fold_round_f32_04() #0 {
%x = call float @llvm.round.f32(float -1.5) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f32_05
; CHECK-NEXT: ret float 3.000000e+00
define float @constant_fold_round_f32_05() #0 {
%x = call float @roundf(float 2.75) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f32_06
; CHECK-NEXT: ret float -3.000000e+00
define float @constant_fold_round_f32_06() #0 {
%x = call float @llvm.round.f32(float -2.75) #0
ret float %x
}
; CHECK-LABEL: @constant_fold_round_f64_01
; CHECK-NEXT: ret double 1.000000e+00
define double @constant_fold_round_f64_01() #0 {
%x = call double @round(double 1.3) #0
ret double %x
}
; CHECK-LABEL: @constant_fold_round_f64_02
; CHECK-NEXT: ret double -1.000000e+00
define double @constant_fold_round_f64_02() #0 {
%x = call double @llvm.round.f64(double -1.3) #0
ret double %x
}
; CHECK-LABEL: @constant_fold_round_f64_03
; CHECK-NEXT: ret double 2.000000e+00
define double @constant_fold_round_f64_03() #0 {
%x = call double @round(double 1.5) #0
ret double %x
}
; CHECK-LABEL: @constant_fold_round_f64_04
; CHECK-NEXT: ret double -2.000000e+00
define double @constant_fold_round_f64_04() #0 {
%x = call double @llvm.round.f64(double -1.5) #0
ret double %x
}
; CHECK-LABEL: @constant_fold_round_f64_05
; CHECK-NEXT: ret double 3.000000e+00
define double @constant_fold_round_f64_05() #0 {
%x = call double @round(double 2.7) #0
ret double %x
}
; CHECK-LABEL: @constant_fold_round_f64_06
; CHECK-NEXT: ret double -3.000000e+00
define double @constant_fold_round_f64_06() #0 {
%x = call double @llvm.round.f64(double -2.7) #0
ret double %x
}
attributes #0 = { nounwind readnone }