commute.ll
2.94 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -newgvn -S < %s | FileCheck %s
declare void @use(i32, i32)
define void @binop(i32 %x, i32 %y) {
; CHECK-LABEL: @binop(
; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: call void @use(i32 [[ADD1]], i32 [[ADD1]])
; CHECK-NEXT: ret void
;
%add1 = add i32 %x, %y
%add2 = add i32 %y, %x
call void @use(i32 %add1, i32 %add2)
ret void
}
declare void @vse(i1, i1)
define void @cmp(i32 %x, i32 %y) {
; CHECK-LABEL: @cmp(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: call void @vse(i1 [[CMP1]], i1 [[CMP1]])
; CHECK-NEXT: ret void
;
%cmp1 = icmp ult i32 %x, %y
%cmp2 = icmp ugt i32 %y, %x
call void @vse(i1 %cmp1, i1 %cmp2)
ret void
}
declare i32 @llvm.smax.i32(i32, i32)
define void @intrinsic(i32 %x, i32 %y) {
; CHECK-LABEL: @intrinsic(
; CHECK-NEXT: [[M1:%.*]] = call i32 @llvm.smax.i32(i32 [[X:%.*]], i32 [[Y:%.*]])
; CHECK-NEXT: [[M2:%.*]] = call i32 @llvm.smax.i32(i32 [[Y]], i32 [[X]])
; CHECK-NEXT: call void @use(i32 [[M1]], i32 [[M2]])
; CHECK-NEXT: ret void
;
%m1 = call i32 @llvm.smax.i32(i32 %x, i32 %y)
%m2 = call i32 @llvm.smax.i32(i32 %y, i32 %x)
call void @use(i32 %m1, i32 %m2)
ret void
}
declare i16 @llvm.smul.fix.i16(i16, i16, i32)
declare i16 @llvm.umul.fix.i16(i16, i16, i32)
define i16 @intrinsic_3_args(i16 %x, i16 %y) {
; CHECK-LABEL: @intrinsic_3_args(
; CHECK-NEXT: [[M1:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[X:%.*]], i16 [[Y:%.*]], i32 1)
; CHECK-NEXT: [[M2:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[Y]], i16 [[X]], i32 1)
; CHECK-NEXT: [[R:%.*]] = sub i16 [[M1]], [[M2]]
; CHECK-NEXT: ret i16 [[R]]
;
%m1 = call i16 @llvm.smul.fix.i16(i16 %x, i16 %y, i32 1)
%m2 = call i16 @llvm.smul.fix.i16(i16 %y, i16 %x, i32 1)
%r = sub i16 %m1, %m2
ret i16 %r
}
define i16 @intrinsic_3_args_not_same(i16 %x, i16 %y) {
; CHECK-LABEL: @intrinsic_3_args_not_same(
; CHECK-NEXT: [[M1:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[X:%.*]], i16 [[Y:%.*]], i32 2)
; CHECK-NEXT: [[M2:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[Y]], i16 [[X]], i32 1)
; CHECK-NEXT: [[R:%.*]] = sub i16 [[M1]], [[M2]]
; CHECK-NEXT: ret i16 [[R]]
;
%m1 = call i16 @llvm.umul.fix.i16(i16 %x, i16 %y, i32 2)
%m2 = call i16 @llvm.umul.fix.i16(i16 %y, i16 %x, i32 1)
%r = sub i16 %m1, %m2
ret i16 %r
}
declare float @llvm.fma.f32(float, float, float)
define float @fma(float %x, float %y) {
; CHECK-LABEL: @fma(
; CHECK-NEXT: [[M1:%.*]] = call float @llvm.fma.f32(float [[X:%.*]], float [[Y:%.*]], float 1.000000e+00)
; CHECK-NEXT: [[M2:%.*]] = call float @llvm.fma.f32(float [[Y]], float [[X]], float 1.000000e+00)
; CHECK-NEXT: [[R:%.*]] = fdiv nnan float [[M1]], [[M2]]
; CHECK-NEXT: ret float [[R]]
;
%m1 = call float @llvm.fma.f32(float %x, float %y, float 1.0)
%m2 = call float @llvm.fma.f32(float %y, float %x, float 1.0)
%r = fdiv nnan float %m1, %m2
ret float %r
}