| Dmitry Venikov | 3d8cd34 | 2018-01-03 14:37:42 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| 2 | ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| 3 | |
| 4 | declare double @llvm.log.f64(double) |
| 5 | declare double @llvm.exp.f64(double) |
| 6 | |
| 7 | define double @log_exp(double %a) { |
| 8 | ; CHECK-LABEL: @log_exp( |
| 9 | ; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.exp.f64(double [[A:%.*]]) |
| 10 | ; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]]) |
| 11 | ; CHECK-NEXT: ret double [[TMP2]] |
| 12 | ; |
| 13 | %1 = call double @llvm.exp.f64(double %a) |
| 14 | %2 = call double @llvm.log.f64(double %1) |
| 15 | ret double %2 |
| 16 | } |
| 17 | |
| 18 | define double @log_exp_fast(double %a) { |
| 19 | ; CHECK-LABEL: @log_exp_fast( |
| 20 | ; CHECK-NEXT: ret double [[A:%.*]] |
| 21 | ; |
| 22 | %1 = call fast double @llvm.exp.f64(double %a) |
| 23 | %2 = call fast double @llvm.log.f64(double %1) |
| 24 | ret double %2 |
| 25 | } |
| 26 | |
| 27 | define double @log_fast_exp_strict(double %a) { |
| 28 | ; CHECK-LABEL: @log_fast_exp_strict( |
| 29 | ; CHECK-NEXT: ret double [[A:%.*]] |
| 30 | ; |
| 31 | %1 = call double @llvm.exp.f64(double %a) |
| 32 | %2 = call fast double @llvm.log.f64(double %1) |
| 33 | ret double %2 |
| 34 | } |
| 35 | |
| 36 | define double @log_strict_exp_fast(double %a) { |
| 37 | ; CHECK-LABEL: @log_strict_exp_fast( |
| 38 | ; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.exp.f64(double [[A:%.*]]) |
| 39 | ; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]]) |
| 40 | ; CHECK-NEXT: ret double [[TMP2]] |
| 41 | ; |
| 42 | %1 = call fast double @llvm.exp.f64(double %a) |
| 43 | %2 = call double @llvm.log.f64(double %1) |
| 44 | ret double %2 |
| 45 | } |
| 46 | |
| 47 | define double @log_exp_log_exp(double %a) { |
| 48 | ; CHECK-LABEL: @log_exp_log_exp( |
| 49 | ; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.exp.f64(double [[A:%.*]]) |
| 50 | ; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]]) |
| 51 | ; CHECK-NEXT: [[TMP3:%.*]] = call double @llvm.exp.f64(double [[TMP2]]) |
| 52 | ; CHECK-NEXT: [[TMP4:%.*]] = call double @llvm.log.f64(double [[TMP3]]) |
| 53 | ; CHECK-NEXT: ret double [[TMP4]] |
| 54 | ; |
| 55 | %1 = call double @llvm.exp.f64(double %a) |
| 56 | %2 = call double @llvm.log.f64(double %1) |
| 57 | %3 = call double @llvm.exp.f64(double %2) |
| 58 | %4 = call double @llvm.log.f64(double %3) |
| 59 | ret double %4 |
| 60 | } |
| 61 | |
| 62 | define double @log_exp_log_exp_fast(double %a) { |
| 63 | ; CHECK-LABEL: @log_exp_log_exp_fast( |
| 64 | ; CHECK-NEXT: ret double [[A:%.*]] |
| 65 | ; |
| 66 | %1 = call fast double @llvm.exp.f64(double %a) |
| 67 | %2 = call fast double @llvm.log.f64(double %1) |
| 68 | %3 = call fast double @llvm.exp.f64(double %2) |
| 69 | %4 = call fast double @llvm.log.f64(double %3) |
| 70 | ret double %4 |
| 71 | } |