derek.holloway
7502bf64a4
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82 lines
3.3 KiB
LLVM
82 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' < %s | FileCheck --check-prefix=GEP %s
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; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -addr-sink-using-gep=false < %s | FileCheck --check-prefix=NO-GEP %s
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target triple = "x86_64--linux-gnu"
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target datalayout = "e-m:e-p0:128:128-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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; -p0:128:128 is added to ensure that transformation will be triggered.
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define i128 @test(i128 %arg) {
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; GEP-LABEL: define i128 @test(
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; GEP-SAME: i128 [[ARG:%.*]]) {
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; GEP-NEXT: [[ENTRY:.*]]:
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; GEP-NEXT: [[CMP:%.*]] = icmp ugt i128 [[ARG]], 10
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; GEP-NEXT: br i1 [[CMP]], label %[[THEN:.*]], label %[[EXIT:.*]]
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; GEP: [[THEN]]:
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; GEP-NEXT: [[SUNKADDR:%.*]] = inttoptr i128 [[ARG]] to ptr
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; GEP-NEXT: [[SUNKADDR1:%.*]] = getelementptr i8, ptr [[SUNKADDR]], i128 -32
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; GEP-NEXT: [[LOAD:%.*]] = load i128, ptr [[SUNKADDR1]], align 16
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; GEP-NEXT: br label %[[EXIT]]
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; GEP: [[EXIT]]:
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; GEP-NEXT: [[PHI:%.*]] = phi i128 [ [[LOAD]], %[[THEN]] ], [ 0, %[[ENTRY]] ]
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; GEP-NEXT: ret i128 [[PHI]]
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;
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; NO-GEP-LABEL: define i128 @test(
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; NO-GEP-SAME: i128 [[ARG:%.*]]) {
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; NO-GEP-NEXT: [[ENTRY:.*]]:
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; NO-GEP-NEXT: [[CMP:%.*]] = icmp ugt i128 [[ARG]], 10
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; NO-GEP-NEXT: br i1 [[CMP]], label %[[THEN:.*]], label %[[EXIT:.*]]
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; NO-GEP: [[THEN]]:
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; NO-GEP-NEXT: [[SUNKADDR:%.*]] = add i128 [[ARG]], -32
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; NO-GEP-NEXT: [[SUNKADDR1:%.*]] = inttoptr i128 [[SUNKADDR]] to ptr
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; NO-GEP-NEXT: [[LOAD:%.*]] = load i128, ptr [[SUNKADDR1]], align 16
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; NO-GEP-NEXT: br label %[[EXIT]]
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; NO-GEP: [[EXIT]]:
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; NO-GEP-NEXT: [[PHI:%.*]] = phi i128 [ [[LOAD]], %[[THEN]] ], [ 0, %[[ENTRY]] ]
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; NO-GEP-NEXT: ret i128 [[PHI]]
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;
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entry:
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%add = add i128 %arg, -32
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%cmp = icmp ugt i128 %arg, 10
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br i1 %cmp, label %then, label %exit
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then:
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%inttoptr = inttoptr i128 %add to ptr
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%load = load i128, ptr %inttoptr, align 16
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br label %exit
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exit:
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%phi = phi i128 [ %load, %then ], [ 0, %entry ]
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ret i128 %phi
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}
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define void @test_combine(ptr %ptr, i128 %arg) {
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; GEP-LABEL: define void @test_combine(
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; GEP-SAME: ptr [[PTR:%.*]], i128 [[ARG:%.*]]) {
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; GEP-NEXT: [[ENTRY:.*:]]
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; GEP-NEXT: [[CMP:%.*]] = icmp ugt i128 [[ARG]], 10
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; GEP-NEXT: [[SELECT1:%.*]] = select i1 [[CMP]], i128 -32, i128 0
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; GEP-NEXT: [[SUNKADDR:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i128 [[SELECT1]]
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; GEP-NEXT: store i128 1, ptr [[SUNKADDR]], align 16
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; GEP-NEXT: ret void
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;
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; NO-GEP-LABEL: define void @test_combine(
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; NO-GEP-SAME: ptr [[PTR:%.*]], i128 [[ARG:%.*]]) {
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; NO-GEP-NEXT: [[ENTRY:.*:]]
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; NO-GEP-NEXT: [[CMP:%.*]] = icmp ugt i128 [[ARG]], 10
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; NO-GEP-NEXT: [[SELECT1:%.*]] = select i1 [[CMP]], i128 -32, i128 0
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; NO-GEP-NEXT: [[SUNKADDR:%.*]] = ptrtoint ptr [[PTR]] to i128
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; NO-GEP-NEXT: [[SUNKADDR2:%.*]] = add i128 [[SUNKADDR]], [[SELECT1]]
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; NO-GEP-NEXT: [[SUNKADDR3:%.*]] = inttoptr i128 [[SUNKADDR2]] to ptr
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; NO-GEP-NEXT: store i128 1, ptr [[SUNKADDR3]], align 16
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; NO-GEP-NEXT: ret void
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;
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entry:
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%cmp = icmp ugt i128 %arg, 10
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%gep = getelementptr inbounds i8, ptr %ptr, i128 -32
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%select = select i1 %cmp, ptr %gep, ptr %ptr
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store i128 1, ptr %select, align 16
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ret void
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}
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