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e90bc9cfd4
This patch enables constant folding for 128 bit floating-point logf calls. This is achieved by querying if the host system has the logf128() symbol available with a CMake test. If so, replace the runtime call with the compile time value returned from logf128.
127 lines
4.2 KiB
LLVM
127 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
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; REQUIRES: has_logf128
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declare fp128 @llvm.log.f128(fp128)
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define fp128 @log_e_64(){
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; CHECK-LABEL: define fp128 @log_e_64() {
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; CHECK-NEXT: ret fp128 0xL300000000000000040010A2B23F3BAB7
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000004005000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_smallest_positive_subnormal_number(){
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; CHECK-LABEL: define fp128 @log_e_smallest_positive_subnormal_number() {
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; CHECK-NEXT: ret fp128 0xL3000000000000000C00C654628220780
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000010000000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_largest_subnormal_number(){
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; CHECK-LABEL: define fp128 @log_e_largest_subnormal_number() {
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; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xLFFFFFFFFFFFFFFFF0000FFFFFFFFFFFF)
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ret fp128 %A
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}
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define fp128 @log_e_smallest_positive_normal_number(){
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;
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; CHECK-LABEL: define fp128 @log_e_smallest_positive_normal_number() {
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; CHECK-NEXT: ret fp128 0xLD000000000000000C00C62D918CE2421
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000000001000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_largest_normal_number(){
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; CHECK-LABEL: define fp128 @log_e_largest_normal_number() {
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; CHECK-NEXT: ret fp128 0xLF000000000000000400C62E42FEFA39E
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xLFFFFFFFFFFFFFFFF7FFEFFFFFFFFFFFF)
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ret fp128 %A
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}
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define fp128 @log_e_largest_number_less_than_one(){
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; CHECK-LABEL: define fp128 @log_e_largest_number_less_than_one() {
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; CHECK-NEXT: ret fp128 0xL0000000000000000BF8E000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xLFFFFFFFFFFFFFFFF3FFEFFFFFFFFFFFF)
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ret fp128 %A
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}
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define fp128 @log_e_1(){
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; CHECK-LABEL: define fp128 @log_e_1() {
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; CHECK-NEXT: ret fp128 0xL00000000000000000000000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000003FFF000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_smallest_number_larger_than_one(){
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; CHECK-LABEL: define fp128 @log_e_smallest_number_larger_than_one() {
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; CHECK-NEXT: ret fp128 0xL00000000000000003F8F000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000013FFF000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_negative_2(){
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; CHECK-LABEL: define fp128 @log_e_negative_2() {
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; CHECK-NEXT: ret fp128 0xL00000000000000007FFF800000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL0000000000000000C000000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_0(){
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; CHECK-LABEL: define fp128 @log_e_0() {
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; CHECK-NEXT: ret fp128 0xL0000000000000000FFFF000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000000000000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_negative_0(){
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; CHECK-LABEL: define fp128 @log_e_negative_0() {
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; CHECK-NEXT: ret fp128 0xL0000000000000000FFFF000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000008000000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_infinity(){
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; CHECK-LABEL: define fp128 @log_e_infinity() {
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; CHECK-NEXT: ret fp128 0xL00000000000000007FFF000000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000007FFF000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_negative_infinity(){
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; CHECK-LABEL: define fp128 @log_e_negative_infinity() {
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; CHECK-NEXT: ret fp128 0xL00000000000000007FFF800000000000
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL0000000000000000FFFF000000000000)
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ret fp128 %A
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}
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define fp128 @log_e_nan(){
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; CHECK-LABEL: define fp128 @log_e_nan() {
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; CHECK-NEXT: ret fp128 0xL00000000000000007FFF800000000001
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;
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%A = call fp128 @llvm.log.f128(fp128 noundef 0xL00000000000000007FFF000000000001)
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ret fp128 %A
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}
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define <2 x fp128> @log_e_negative_2_vector(){
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; CHECK-LABEL: define <2 x fp128> @log_e_negative_2_vector() {
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; CHECK-NEXT: ret <2 x fp128> <fp128 0xL00000000000000007FFF800000000000, fp128 0xL00000000000000007FFF800000000000>
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;
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%A = call <2 x fp128> @llvm.log.v2f128(<2 x fp128> <fp128 0xL0000000000000000C000000000000000, fp128 0xL0000000000000000C000000000000001>)
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ret <2 x fp128> %A
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}
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