derek.holloway
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86 lines
2.4 KiB
LLVM
86 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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declare i32 @llvm.smax.i32(i32 %a, i32 %b)
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declare i32 @llvm.smin.i32(i32 %a, i32 %b)
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declare i32 @llvm.umax.i32(i32 %a, i32 %b)
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declare i32 @llvm.umin.i32(i32 %a, i32 %b)
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define i32 @umul_min_max(i32 %a, i32 %b) {
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; CHECK-LABEL: @umul_min_max(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul i32 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.umax.i32(i32 %a, i32 %b)
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%min = call i32 @llvm.umin.i32(i32 %a, i32 %b)
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%res = mul i32 %min, %max
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ret i32 %res
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}
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define i32 @umul_min_max_comm(i32 %a, i32 %b) {
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; CHECK-LABEL: @umul_min_max_comm(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul i32 [[B:%.*]], [[A:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.umax.i32(i32 %b, i32 %a)
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%min = call i32 @llvm.umin.i32(i32 %a, i32 %b)
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%res = mul i32 %min, %max
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ret i32 %res
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}
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define i32 @umul_min_max_nuw_nsw(i32 %a, i32 %b) {
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; CHECK-LABEL: @umul_min_max_nuw_nsw(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul nuw nsw i32 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.umax.i32(i32 %a, i32 %b)
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%min = call i32 @llvm.umin.i32(i32 %a, i32 %b)
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%res = mul nuw nsw i32 %min, %max
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ret i32 %res
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}
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define i32 @smul_min_max(i32 %a, i32 %b) {
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; CHECK-LABEL: @smul_min_max(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul i32 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.smax.i32(i32 %a, i32 %b)
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%min = call i32 @llvm.smin.i32(i32 %a, i32 %b)
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%res = mul i32 %min, %max
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ret i32 %res
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}
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define i32 @smul_min_max_comm(i32 %a, i32 %b) {
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; CHECK-LABEL: @smul_min_max_comm(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul i32 [[B:%.*]], [[A:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.smax.i32(i32 %b, i32 %a)
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%min = call i32 @llvm.smin.i32(i32 %a, i32 %b)
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%res = mul i32 %min, %max
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ret i32 %res
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}
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define i32 @smul_min_max_nuw_nsw(i32 %a, i32 %b) {
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; CHECK-LABEL: @smul_min_max_nuw_nsw(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[RES:%.*]] = mul nuw nsw i32 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%max = call i32 @llvm.smax.i32(i32 %a, i32 %b)
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%min = call i32 @llvm.smin.i32(i32 %a, i32 %b)
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%res = mul nuw nsw i32 %min, %max
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ret i32 %res
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}
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