9d45b450f2
This patch adds constant folding support for `remquo`. Reference: https://en.cppreference.com/w/cpp/numeric/math/remquo Closes https://github.com/llvm/llvm-project/issues/99497.
140 lines
4.6 KiB
LLVM
140 lines
4.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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define float @remquo_f32(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: store i32 -2, ptr [[QUO]], align 4
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; CHECK-NEXT: ret float 1.000000e+00
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float 3.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_quo_sign(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_quo_sign(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: store i32 2, ptr [[QUO]], align 4
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; CHECK-NEXT: ret float -1.000000e+00
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;
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entry:
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%call = call float @remquof(float 5.000000e+00, float 3.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_round(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_round(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: store i32 -6, ptr [[QUO]], align 4
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; CHECK-NEXT: ret float 0xBFC9999900000000
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float 0x3FE99999A0000000, ptr %quo)
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ret float %call
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}
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define double @remquo_f64(ptr %quo) {
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; CHECK-LABEL: define double @remquo_f64(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: store i32 -5, ptr [[QUO]], align 4
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; CHECK-NEXT: ret double -0.000000e+00
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;
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entry:
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%call = call double @remquo(double -5.000000e+00, double 1.000000e+00, ptr %quo)
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ret double %call
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}
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; Negative tests
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define float @remquo_f32_inf_x(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_inf_x(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float 0x7FF0000000000000, float 1.000000e+00, ptr [[QUO]])
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float 0x7FF0000000000000, float 1.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_zero_y(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_zero_y(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float -5.000000e+00, float 0.000000e+00, ptr [[QUO]])
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float 0.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_nzero_y(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_nzero_y(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float -5.000000e+00, float -0.000000e+00, ptr [[QUO]])
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float -0.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_nan_x(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_nan_x(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float 0x7FF8000000000000, float 1.000000e+00, ptr [[QUO]])
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float 0x7FF8000000000000, float 1.000000e+00, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_nan_y(ptr %quo) {
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; CHECK-LABEL: define float @remquo_f32_nan_y(
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; CHECK-SAME: ptr [[QUO:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float 1.000000e+00, float 0x7FF8000000000000, ptr [[QUO]])
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float 1.000000e+00, float 0x7FF8000000000000, ptr %quo)
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ret float %call
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}
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define float @remquo_f32_strictfp(ptr %quo) strictfp {
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; CHECK-LABEL: define float @remquo_f32_strictfp(
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; CHECK-SAME: ptr [[QUO:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float -5.000000e+00, float 3.000000e+00, ptr [[QUO]]) #[[ATTR0]]
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float 3.000000e+00, ptr %quo) strictfp
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ret float %call
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}
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define float @remquo_f32_zero_y_strictfp(ptr %quo) strictfp {
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; CHECK-LABEL: define float @remquo_f32_zero_y_strictfp(
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; CHECK-SAME: ptr [[QUO:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call float @remquof(float -5.000000e+00, float 0.000000e+00, ptr [[QUO]]) #[[ATTR0]]
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; CHECK-NEXT: ret float [[CALL]]
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;
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entry:
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%call = call float @remquof(float -5.000000e+00, float 0.000000e+00, ptr %quo) strictfp
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ret float %call
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}
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declare float @remquof(float, float, ptr)
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declare double @remquo(double, double, ptr)
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