forked from OSchip/llvm-project
86 lines
3.4 KiB
LLVM
86 lines
3.4 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt -S -instcombine < %s | FileCheck %s
|
||
|
|
|
||
|
|
declare double @llvm.exp2.f64(double) nounwind readnone speculatable
|
||
|
|
declare void @use(double)
|
||
|
|
|
||
|
|
; exp2(a) * exp2(b) no reassoc flags
|
||
|
|
define double @exp2_a_exp2_b(double %a, double %b) {
|
||
|
|
; CHECK-LABEL: @exp2_a_exp2_b(
|
||
|
|
; CHECK-NEXT: [[TMP:%.*]] = call double @llvm.exp2.f64(double [[A:%.*]])
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.exp2.f64(double [[B:%.*]])
|
||
|
|
; CHECK-NEXT: [[MUL:%.*]] = fmul double [[TMP]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: ret double [[MUL]]
|
||
|
|
;
|
||
|
|
%tmp = call double @llvm.exp2.f64(double %a)
|
||
|
|
%tmp1 = call double @llvm.exp2.f64(double %b)
|
||
|
|
%mul = fmul double %tmp, %tmp1
|
||
|
|
ret double %mul
|
||
|
|
}
|
||
|
|
|
||
|
|
; exp2(a) * exp2(b) reassoc, multiple uses
|
||
|
|
define double @exp2_a_exp2_b_multiple_uses(double %a, double %b) {
|
||
|
|
; CHECK-LABEL: @exp2_a_exp2_b_multiple_uses(
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.exp2.f64(double [[B:%.*]])
|
||
|
|
; CHECK-NEXT: [[TMP:%.*]] = fadd reassoc double [[A:%.*]], [[B]]
|
||
|
|
; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.exp2.f64(double [[TMP]])
|
||
|
|
; CHECK-NEXT: call void @use(double [[TMP1]])
|
||
|
|
; CHECK-NEXT: ret double [[TMP2]]
|
||
|
|
;
|
||
|
|
%tmp = call double @llvm.exp2.f64(double %a)
|
||
|
|
%tmp1 = call double @llvm.exp2.f64(double %b)
|
||
|
|
%mul = fmul reassoc double %tmp, %tmp1
|
||
|
|
call void @use(double %tmp1)
|
||
|
|
ret double %mul
|
||
|
|
}
|
||
|
|
|
||
|
|
; exp2(a) * exp2(b) reassoc, both with multiple uses
|
||
|
|
define double @exp2_a_exp2_b_multiple_uses_both(double %a, double %b) {
|
||
|
|
; CHECK-LABEL: @exp2_a_exp2_b_multiple_uses_both(
|
||
|
|
; CHECK-NEXT: [[TMP:%.*]] = call double @llvm.exp2.f64(double [[A:%.*]])
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.exp2.f64(double [[B:%.*]])
|
||
|
|
; CHECK-NEXT: [[MUL:%.*]] = fmul reassoc double [[TMP]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: call void @use(double [[TMP]])
|
||
|
|
; CHECK-NEXT: call void @use(double [[TMP1]])
|
||
|
|
; CHECK-NEXT: ret double [[MUL]]
|
||
|
|
;
|
||
|
|
%tmp = call double @llvm.exp2.f64(double %a)
|
||
|
|
%tmp1 = call double @llvm.exp2.f64(double %b)
|
||
|
|
%mul = fmul reassoc double %tmp, %tmp1
|
||
|
|
call void @use(double %tmp)
|
||
|
|
call void @use(double %tmp1)
|
||
|
|
ret double %mul
|
||
|
|
}
|
||
|
|
|
||
|
|
; exp2(a) * exp2(b) => exp2(a+b) with reassoc
|
||
|
|
define double @exp2_a_exp2_b_reassoc(double %a, double %b) {
|
||
|
|
; CHECK-LABEL: @exp2_a_exp2_b_reassoc(
|
||
|
|
; CHECK-NEXT: [[TMP:%.*]] = fadd reassoc double [[A:%.*]], [[B:%.*]]
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.exp2.f64(double [[TMP]])
|
||
|
|
; CHECK-NEXT: ret double [[TMP1]]
|
||
|
|
;
|
||
|
|
%tmp = call double @llvm.exp2.f64(double %a)
|
||
|
|
%tmp1 = call double @llvm.exp2.f64(double %b)
|
||
|
|
%mul = fmul reassoc double %tmp, %tmp1
|
||
|
|
ret double %mul
|
||
|
|
}
|
||
|
|
|
||
|
|
; exp2(a) * exp2(b) * exp2(c) * exp2(d) => exp2(a+b+c+d) with reassoc
|
||
|
|
define double @exp2_a_exp2_b_exp2_c_exp2_d(double %a, double %b, double %c, double %d) {
|
||
|
|
; CHECK-LABEL: @exp2_a_exp2_b_exp2_c_exp2_d(
|
||
|
|
; CHECK-NEXT: [[TMP:%.*]] = fadd reassoc double [[A:%.*]], [[B:%.*]]
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = fadd reassoc double [[TMP]], [[C:%.*]]
|
||
|
|
; CHECK-NEXT: [[TMP2:%.*]] = fadd reassoc double [[TMP1]], [[D:%.*]]
|
||
|
|
; CHECK-NEXT: [[TMP3:%.*]] = call reassoc double @llvm.exp2.f64(double [[TMP2]])
|
||
|
|
; CHECK-NEXT: ret double [[TMP3]]
|
||
|
|
;
|
||
|
|
%tmp = call double @llvm.exp2.f64(double %a)
|
||
|
|
%tmp1 = call double @llvm.exp2.f64(double %b)
|
||
|
|
%mul = fmul reassoc double %tmp, %tmp1
|
||
|
|
%tmp2 = call double @llvm.exp2.f64(double %c)
|
||
|
|
%mul1 = fmul reassoc double %mul, %tmp2
|
||
|
|
%tmp3 = call double @llvm.exp2.f64(double %d)
|
||
|
|
%mul2 = fmul reassoc double %mul1, %tmp3
|
||
|
|
ret double %mul2
|
||
|
|
}
|