forked from OSchip/llvm-project
80 lines
2.3 KiB
LLVM
80 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -simplifycfg -sink-common-insts -simplifycfg-require-and-preserve-domtree=1 -opaque-pointers -S < %s | FileCheck %s
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define ptr @test_sink_gep(i1 %c, ptr %p) {
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; CHECK-LABEL: @test_sink_gep(
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; CHECK-NEXT: join:
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; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 1
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; CHECK-NEXT: ret ptr [[GEP2]]
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;
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br i1 %c, label %if, label %else
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if:
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%gep1 = getelementptr i32, ptr %p, i64 1
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br label %join
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else:
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%gep2 = getelementptr i32, ptr %p, i64 1
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br label %join
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join:
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%phi = phi ptr [ %gep1, %if ], [ %gep2, %else]
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ret ptr %phi
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}
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define ptr @test_sink_gep_different_types(i1 %c, ptr %p) {
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; CHECK-LABEL: @test_sink_gep_different_types(
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; CHECK-NEXT: join:
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; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 1
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; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i64, ptr [[P]], i64 1
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; CHECK-NEXT: [[PHI:%.*]] = select i1 [[C:%.*]], ptr [[GEP1]], ptr [[GEP2]]
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; CHECK-NEXT: ret ptr [[PHI]]
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;
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br i1 %c, label %if, label %else
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if:
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%gep1 = getelementptr i32, ptr %p, i64 1
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br label %join
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else:
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%gep2 = getelementptr i64, ptr %p, i64 1
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br label %join
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join:
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%phi = phi ptr [ %gep1, %if ], [ %gep2, %else]
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ret ptr %phi
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}
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define void @test_cond_store_merge(i1 %arg, i1 %arg2, ptr %p) {
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; CHECK-LABEL: @test_cond_store_merge(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: br i1 [[ARG:%.*]], label [[BB2:%.*]], label [[BB3:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: store i64 0, ptr [[P:%.*]], align 32
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; CHECK-NEXT: br label [[BB3]]
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; CHECK: bb3:
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; CHECK-NEXT: br i1 [[ARG2:%.*]], label [[BB4:%.*]], label [[BB5:%.*]]
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; CHECK: bb4:
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; CHECK-NEXT: store double 0.000000e+00, ptr [[P]], align 32
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; CHECK-NEXT: br label [[BB5]]
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; CHECK: bb5:
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; CHECK-NEXT: ret void
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;
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bb:
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br i1 %arg, label %bb2, label %bb3
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bb2: ; preds = %bb
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store i64 0, ptr %p, align 32
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br label %bb3
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bb3: ; preds = %bb2, %bb
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br i1 %arg2, label %bb4, label %bb5
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bb4: ; preds = %bb3
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store double 0.000000e+00, ptr %p, align 32
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br label %bb5
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bb5: ; preds = %bb4, %bb3
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ret void
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}
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