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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine < %s | FileCheck %s
declare double @llvm.pow.f64(double, double)
declare void @use(double)
define double @pow_ab_a(double %a, double %b) {
; CHECK-LABEL: @pow_ab_a(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fmul double [[TMP1]], [[A]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%mul = fmul double %1, %a
ret double %mul
}
define double @pow_ab_a_reassoc(double %a, double %b) {
; CHECK-LABEL: @pow_ab_a_reassoc(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fmul reassoc double [[TMP1]], [[A]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%mul = fmul reassoc double %1, %a
ret double %mul
}
define double @pow_ab_a_reassoc_commute(double %a, double %b) {
; CHECK-LABEL: @pow_ab_a_reassoc_commute(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fdiv reassoc double [[TMP1]], [[A]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = fdiv double 1.0, %a
%2 = call double @llvm.pow.f64(double %a, double %b)
%mul = fmul reassoc double %1, %2
ret double %mul
}
define double @pow_ab_pow_cb(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_pow_cb(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.pow.f64(double [[C:%.*]], double [[B]])
; CHECK-NEXT: [[MUL:%.*]] = fmul double [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %c, double %b)
%mul = fmul double %2, %1
ret double %mul
}
define double @pow_ab_pow_cb_reassoc(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_pow_cb_reassoc(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.pow.f64(double [[C:%.*]], double [[B]])
; CHECK-NEXT: [[MUL:%.*]] = fmul reassoc double [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %c, double %b)
%mul = fmul reassoc double %2, %1
ret double %mul
}
define double @pow_ab_pow_ac(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_pow_ac(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.pow.f64(double [[A]], double [[C:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fmul double [[TMP2]], [[TMP1]]
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %a, double %c)
%mul = fmul double %2, %1
ret double %mul
}
define double @pow_ab_x_pow_ac_reassoc(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_x_pow_ac_reassoc(
; CHECK-NEXT: [[TMP1:%.*]] = fadd reassoc double [[C:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.pow.f64(double [[A:%.*]], double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %a, double %c)
%mul = fmul reassoc double %2, %1
ret double %mul
}
define double @pow_ab_reassoc(double %a, double %b) {
; CHECK-LABEL: @pow_ab_reassoc(
; CHECK-NEXT: [[TMP1:%.*]] = fadd reassoc double [[B:%.*]], [[B]]
; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.pow.f64(double [[A:%.*]], double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%mul = fmul reassoc double %1, %1
ret double %mul
}
define double @pow_ab_reassoc_extra_use(double %a, double %b) {
; CHECK-LABEL: @pow_ab_reassoc_extra_use(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fmul reassoc double [[TMP1]], [[TMP1]]
; CHECK-NEXT: call void @use(double [[TMP1]])
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%mul = fmul reassoc double %1, %1
call void @use(double %1)
ret double %mul
}
define double @pow_ab_x_pow_ac_reassoc_extra_use(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_x_pow_ac_reassoc_extra_use(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = fadd reassoc double [[B]], [[C:%.*]]
; CHECK-NEXT: [[TMP3:%.*]] = call reassoc double @llvm.pow.f64(double [[A]], double [[TMP2]])
; CHECK-NEXT: call void @use(double [[TMP1]])
; CHECK-NEXT: ret double [[TMP3]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %a, double %c)
%mul = fmul reassoc double %1, %2
call void @use(double %1)
ret double %mul
}
define double @pow_ab_x_pow_ac_reassoc_multiple_uses(double %a, double %b, double %c) {
; CHECK-LABEL: @pow_ab_x_pow_ac_reassoc_multiple_uses(
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.pow.f64(double [[A]], double [[C:%.*]])
; CHECK-NEXT: [[MUL:%.*]] = fmul reassoc double [[TMP1]], [[TMP2]]
; CHECK-NEXT: call void @use(double [[TMP1]])
; CHECK-NEXT: call void @use(double [[TMP2]])
; CHECK-NEXT: ret double [[MUL]]
;
%1 = call double @llvm.pow.f64(double %a, double %b)
%2 = call double @llvm.pow.f64(double %a, double %c)
%mul = fmul reassoc double %1, %2
call void @use(double %1)
call void @use(double %2)
ret double %mul
}
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