|  | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | 
|  | ; RUN: opt < %s -instsimplify -S | FileCheck %s | 
|  |  | 
|  | declare double @llvm.log.f64(double) | 
|  | declare double @llvm.exp.f64(double) | 
|  | declare double @llvm.log2.f64(double) | 
|  | declare double @llvm.exp2.f64(double) | 
|  |  | 
|  | define double @log_reassoc_exp_strict(double %a) { | 
|  | ; CHECK-LABEL: @log_reassoc_exp_strict( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.exp.f64(double %a) | 
|  | %2 = call reassoc double @llvm.log.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @log_strict_exp_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @log_strict_exp_reassoc( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call reassoc double @llvm.exp.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP2]] | 
|  | ; | 
|  | %1 = call reassoc double @llvm.exp.f64(double %a) | 
|  | %2 = call double @llvm.log.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @log_exp_log_exp(double %a) { | 
|  | ; CHECK-LABEL: @log_exp_log_exp( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.exp.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    [[TMP3:%.*]] = call double @llvm.exp.f64(double [[TMP2]]) | 
|  | ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.log.f64(double [[TMP3]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP4]] | 
|  | ; | 
|  | %1 = call double @llvm.exp.f64(double %a) | 
|  | %2 = call double @llvm.log.f64(double %1) | 
|  | %3 = call double @llvm.exp.f64(double %2) | 
|  | %4 = call double @llvm.log.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @log_exp_log_exp_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @log_exp_log_exp_reassoc( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.exp.f64(double %a) | 
|  | %2 = call reassoc double @llvm.log.f64(double %1) | 
|  | %3 = call double @llvm.exp.f64(double %2) | 
|  | %4 = call reassoc double @llvm.log.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @log2_reassoc_exp2_strict(double %a) { | 
|  | ; CHECK-LABEL: @log2_reassoc_exp2_strict( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.exp2.f64(double %a) | 
|  | %2 = call reassoc double @llvm.log2.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @log2_strict_exp2_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @log2_strict_exp2_reassoc( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call reassoc double @llvm.exp2.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.log2.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP2]] | 
|  | ; | 
|  | %1 = call reassoc double @llvm.exp2.f64(double %a) | 
|  | %2 = call double @llvm.log2.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @log2_exp2_log2_exp2(double %a) { | 
|  | ; CHECK-LABEL: @log2_exp2_log2_exp2( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.exp2.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.log2.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    [[TMP3:%.*]] = call double @llvm.exp2.f64(double [[TMP2]]) | 
|  | ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.log2.f64(double [[TMP3]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP4]] | 
|  | ; | 
|  | %1 = call double @llvm.exp2.f64(double %a) | 
|  | %2 = call double @llvm.log2.f64(double %1) | 
|  | %3 = call double @llvm.exp2.f64(double %2) | 
|  | %4 = call double @llvm.log2.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @log2_exp2_log2_exp2_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @log2_exp2_log2_exp2_reassoc( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.exp2.f64(double %a) | 
|  | %2 = call reassoc double @llvm.log2.f64(double %1) | 
|  | %3 = call double @llvm.exp2.f64(double %2) | 
|  | %4 = call reassoc double @llvm.log2.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @exp_reassoc_log_strict(double %a) { | 
|  | ; CHECK-LABEL: @exp_reassoc_log_strict( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.log.f64(double %a) | 
|  | %2 = call reassoc double @llvm.exp.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @exp_strict_log_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @exp_strict_log_reassoc( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call reassoc double @llvm.log.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.exp.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP2]] | 
|  | ; | 
|  | %1 = call reassoc double @llvm.log.f64(double %a) | 
|  | %2 = call double @llvm.exp.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @exp_log_exp_log(double %a) { | 
|  | ; CHECK-LABEL: @exp_log_exp_log( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.log.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.exp.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    [[TMP3:%.*]] = call double @llvm.log.f64(double [[TMP2]]) | 
|  | ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.exp.f64(double [[TMP3]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP4]] | 
|  | ; | 
|  | %1 = call double @llvm.log.f64(double %a) | 
|  | %2 = call double @llvm.exp.f64(double %1) | 
|  | %3 = call double @llvm.log.f64(double %2) | 
|  | %4 = call double @llvm.exp.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @exp_log_exp_log_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @exp_log_exp_log_reassoc( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.log.f64(double %a) | 
|  | %2 = call reassoc double @llvm.exp.f64(double %1) | 
|  | %3 = call double @llvm.log.f64(double %2) | 
|  | %4 = call reassoc double @llvm.exp.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @exp2_reassoc_log2_strict(double %a) { | 
|  | ; CHECK-LABEL: @exp2_reassoc_log2_strict( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.log2.f64(double %a) | 
|  | %2 = call reassoc double @llvm.exp2.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @exp2_strict_log2_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @exp2_strict_log2_reassoc( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call reassoc double @llvm.log2.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.exp2.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP2]] | 
|  | ; | 
|  | %1 = call reassoc double @llvm.log2.f64(double %a) | 
|  | %2 = call double @llvm.exp2.f64(double %1) | 
|  | ret double %2 | 
|  | } | 
|  |  | 
|  | define double @exp2_log2_exp2_log2(double %a) { | 
|  | ; CHECK-LABEL: @exp2_log2_exp2_log2( | 
|  | ; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.log2.f64(double [[A:%.*]]) | 
|  | ; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.exp2.f64(double [[TMP1]]) | 
|  | ; CHECK-NEXT:    [[TMP3:%.*]] = call double @llvm.log2.f64(double [[TMP2]]) | 
|  | ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.exp2.f64(double [[TMP3]]) | 
|  | ; CHECK-NEXT:    ret double [[TMP4]] | 
|  | ; | 
|  | %1 = call double @llvm.log2.f64(double %a) | 
|  | %2 = call double @llvm.exp2.f64(double %1) | 
|  | %3 = call double @llvm.log2.f64(double %2) | 
|  | %4 = call double @llvm.exp2.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  | 
|  | define double @exp2_log2_exp2_log2_reassoc(double %a) { | 
|  | ; CHECK-LABEL: @exp2_log2_exp2_log2_reassoc( | 
|  | ; CHECK-NEXT:    ret double [[A:%.*]] | 
|  | ; | 
|  | %1 = call double @llvm.log2.f64(double %a) | 
|  | %2 = call reassoc double @llvm.exp2.f64(double %1) | 
|  | %3 = call double @llvm.log2.f64(double %2) | 
|  | %4 = call reassoc double @llvm.exp2.f64(double %3) | 
|  | ret double %4 | 
|  | } | 
|  |  |