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