forked from OSchip/llvm-project
576 lines
21 KiB
LLVM
576 lines
21 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instcombine,verify -S < %s | FileCheck %s --check-prefixes=ALL,INSTCOMBINE
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; Make sure GVN won't undo the transformation:
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; RUN: opt -passes=instcombine,gvn -S < %s | FileCheck %s --check-prefixes=ALL,INSTCOMBINEGVN
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declare i8* @get_ptr.i8()
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declare i32* @get_ptr.i32()
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declare void @foo.i8(i8*)
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declare void @foo.i32(i32*)
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define i32 @test_gep_and_bitcast(i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep_and_bitcast(
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; ALL-NEXT: entry:
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; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED_IN:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; ALL-NEXT: [[PTR_TYPED:%.*]] = bitcast i8* [[PTR_TYPED_IN]] to i32*
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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%obj = call i8* @get_ptr.i8()
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br i1 %cond, label %bb1, label %bb2
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bb1:
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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%res1 = load i32, i32* %ptr1.typed
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br label %exit
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bb2:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_and_bitcast_arg(i8* %obj, i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep_and_bitcast_arg(
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; ALL-NEXT: entry:
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED_IN:%.*]] = getelementptr inbounds i8, i8* [[OBJ:%.*]], i64 16
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; ALL-NEXT: [[PTR_TYPED:%.*]] = bitcast i8* [[PTR_TYPED_IN]] to i32*
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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br i1 %cond, label %bb1, label %bb2
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bb1:
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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%res1 = load i32, i32* %ptr1.typed
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br label %exit
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bb2:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_and_bitcast_phi(i1 %cond, i1 %cond2, i1 %cond3) {
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; ALL-LABEL: @test_gep_and_bitcast_phi(
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; ALL-NEXT: entry:
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: [[OBJ1:%.*]] = call i8* @get_ptr.i8()
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; ALL-NEXT: br label [[MERGE:%.*]]
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; ALL: bb2:
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; ALL-NEXT: [[OBJ2_TYPED:%.*]] = call i32* @get_ptr.i32()
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; ALL-NEXT: [[OBJ2:%.*]] = bitcast i32* [[OBJ2_TYPED]] to i8*
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; ALL-NEXT: br label [[MERGE]]
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; ALL: merge:
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; ALL-NEXT: [[OBJ:%.*]] = phi i8* [ [[OBJ1]], [[BB1]] ], [ [[OBJ2]], [[BB2]] ]
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; ALL-NEXT: [[ANOTHER_PHI:%.*]] = phi i8* [ [[OBJ1]], [[BB1]] ], [ null, [[BB2]] ]
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; ALL-NEXT: call void @foo.i8(i8* [[ANOTHER_PHI]])
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; ALL-NEXT: br i1 [[COND2:%.*]], label [[BB3:%.*]], label [[BB4:%.*]]
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; ALL: bb3:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb4:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED_IN:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; ALL-NEXT: [[PTR_TYPED:%.*]] = bitcast i8* [[PTR_TYPED_IN]] to i32*
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND3:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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br i1 %cond, label %bb1, label %bb2
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bb1:
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%obj1 = call i8* @get_ptr.i8()
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br label %merge
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bb2:
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%obj2.typed = call i32* @get_ptr.i32()
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%obj2 = bitcast i32* %obj2.typed to i8*
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br label %merge
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merge:
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%obj = phi i8* [ %obj1, %bb1 ], [ %obj2, %bb2 ]
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%another_phi = phi i8* [ %obj1, %bb1 ], [ null, %bb2 ]
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call void @foo.i8(i8* %another_phi)
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br i1 %cond2, label %bb3, label %bb4
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bb3:
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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%res1 = load i32, i32* %ptr1.typed
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br label %exit
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bb4:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %bb3 ], [ %ptr2.typed, %bb4 ]
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%res.phi = phi i32 [ %res1, %bb3 ], [ %res2, %bb4 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond3, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_i32ptr(i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep_i32ptr(
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; ALL-NEXT: entry:
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; ALL-NEXT: [[OBJ:%.*]] = call i32* @get_ptr.i32()
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED:%.*]] = getelementptr inbounds i32, i32* [[OBJ]], i64 16
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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%obj = call i32* @get_ptr.i32()
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br i1 %cond, label %bb1, label %bb2
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bb1:
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%ptr1.typed = getelementptr inbounds i32, i32* %obj, i64 16
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%res1 = load i32, i32* %ptr1.typed
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br label %exit
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bb2:
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%ptr2.typed = getelementptr inbounds i32, i32* %obj, i64 16
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_and_bitcast_gep_base_ptr(i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep_and_bitcast_gep_base_ptr(
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; ALL-NEXT: entry:
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; ALL-NEXT: [[OBJ0:%.*]] = call i8* @get_ptr.i8()
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED_IN:%.*]] = getelementptr inbounds i8, i8* [[OBJ0]], i64 32
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; ALL-NEXT: [[PTR_TYPED:%.*]] = bitcast i8* [[PTR_TYPED_IN]] to i32*
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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%obj0 = call i8* @get_ptr.i8()
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%obj = getelementptr inbounds i8, i8* %obj0, i64 16
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br i1 %cond, label %bb1, label %bb2
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bb1:
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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%res1 = load i32, i32* %ptr1.typed
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br label %exit
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bb2:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_and_bitcast_same_bb(i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep_and_bitcast_same_bb(
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; ALL-NEXT: entry:
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; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
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; ALL-NEXT: br i1 [[COND:%.*]], label [[EXIT:%.*]], label [[BB2:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED_IN:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; ALL-NEXT: [[PTR_TYPED:%.*]] = bitcast i8* [[PTR_TYPED_IN]] to i32*
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; ALL-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; ALL-NEXT: ret i32 [[RES]]
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;
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entry:
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%obj = call i8* @get_ptr.i8()
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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%res1 = load i32, i32* %ptr1.typed
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br i1 %cond, label %exit, label %bb2
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bb2:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %entry ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %entry ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i32 @test_gep_and_bitcast_same_bb_and_extra_use(i1 %cond, i1 %cond2) {
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; INSTCOMBINE-LABEL: @test_gep_and_bitcast_same_bb_and_extra_use(
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; INSTCOMBINE-NEXT: entry:
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; INSTCOMBINE-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
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; INSTCOMBINE-NEXT: [[PTR1:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; INSTCOMBINE-NEXT: [[PTR1_TYPED:%.*]] = bitcast i8* [[PTR1]] to i32*
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; INSTCOMBINE-NEXT: call void @foo.i32(i32* nonnull [[PTR1_TYPED]])
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; INSTCOMBINE-NEXT: br i1 [[COND:%.*]], label [[EXIT:%.*]], label [[BB2:%.*]]
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; INSTCOMBINE: bb2:
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; INSTCOMBINE-NEXT: [[PTR2:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; INSTCOMBINE-NEXT: [[PTR2_TYPED:%.*]] = bitcast i8* [[PTR2]] to i32*
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; INSTCOMBINE-NEXT: br label [[EXIT]]
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; INSTCOMBINE: exit:
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; INSTCOMBINE-NEXT: [[PTR_TYPED:%.*]] = phi i32* [ [[PTR1_TYPED]], [[ENTRY:%.*]] ], [ [[PTR2_TYPED]], [[BB2]] ]
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; INSTCOMBINE-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR_TYPED]], align 4
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; INSTCOMBINE-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
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; INSTCOMBINE-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; INSTCOMBINE-NEXT: ret i32 [[RES]]
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;
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; INSTCOMBINEGVN-LABEL: @test_gep_and_bitcast_same_bb_and_extra_use(
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; INSTCOMBINEGVN-NEXT: entry:
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; INSTCOMBINEGVN-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
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; INSTCOMBINEGVN-NEXT: [[PTR1:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; INSTCOMBINEGVN-NEXT: [[PTR1_TYPED:%.*]] = bitcast i8* [[PTR1]] to i32*
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; INSTCOMBINEGVN-NEXT: call void @foo.i32(i32* nonnull [[PTR1_TYPED]])
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; INSTCOMBINEGVN-NEXT: br i1 [[COND:%.*]], label [[EXIT:%.*]], label [[BB2:%.*]]
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; INSTCOMBINEGVN: bb2:
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; INSTCOMBINEGVN-NEXT: br label [[EXIT]]
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; INSTCOMBINEGVN: exit:
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; INSTCOMBINEGVN-NEXT: [[RES_PHI:%.*]] = load i32, i32* [[PTR1_TYPED]], align 4
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; INSTCOMBINEGVN-NEXT: store i32 1, i32* [[PTR1_TYPED]], align 4
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; INSTCOMBINEGVN-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
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; INSTCOMBINEGVN-NEXT: ret i32 [[RES]]
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;
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entry:
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%obj = call i8* @get_ptr.i8()
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%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr1.typed = bitcast i8* %ptr1 to i32*
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call void @foo.i32(i32* %ptr1.typed)
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%res1 = load i32, i32* %ptr1.typed
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br i1 %cond, label %exit, label %bb2
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bb2:
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%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
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%ptr2.typed = bitcast i8* %ptr2 to i32*
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%res2 = load i32, i32* %ptr2.typed
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br label %exit
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exit:
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%ptr.typed = phi i32* [ %ptr1.typed, %entry ], [ %ptr2.typed, %bb2 ]
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%res.phi = phi i32 [ %res1, %entry ], [ %res2, %bb2 ]
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store i32 1, i32* %ptr.typed
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%res.load = load i32, i32* %ptr.typed
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%res = select i1 %cond2, i32 %res.phi, i32 %res.load
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ret i32 %res
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}
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define i8 @test_gep(i1 %cond, i1 %cond2) {
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; ALL-LABEL: @test_gep(
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; ALL-NEXT: entry:
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; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
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; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
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; ALL: bb1:
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; ALL-NEXT: br label [[EXIT:%.*]]
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; ALL: bb2:
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; ALL-NEXT: br label [[EXIT]]
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; ALL: exit:
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; ALL-NEXT: [[PTR_TYPED:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
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; ALL-NEXT: [[RES_PHI:%.*]] = load i8, i8* [[PTR_TYPED]], align 1
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; ALL-NEXT: store i8 1, i8* [[PTR_TYPED]], align 1
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; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i8 [[RES_PHI]], i8 1
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; ALL-NEXT: ret i8 [[RES]]
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;
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entry:
|
|
%obj = call i8* @get_ptr.i8()
|
|
br i1 %cond, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%res1 = load i8, i8* %ptr1
|
|
br label %exit
|
|
|
|
bb2:
|
|
%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%res2 = load i8, i8* %ptr2
|
|
br label %exit
|
|
|
|
exit:
|
|
%ptr.typed = phi i8* [ %ptr1, %bb1 ], [ %ptr2, %bb2 ]
|
|
%res.phi = phi i8 [ %res1, %bb1 ], [ %res2, %bb2 ]
|
|
store i8 1, i8* %ptr.typed
|
|
%res.load = load i8, i8* %ptr.typed
|
|
%res = select i1 %cond2, i8 %res.phi, i8 %res.load
|
|
ret i8 %res
|
|
}
|
|
|
|
define i32 @test_extra_uses(i1 %cond, i1 %cond2) {
|
|
; ALL-LABEL: @test_extra_uses(
|
|
; ALL-NEXT: entry:
|
|
; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
|
|
; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
|
|
; ALL: bb1:
|
|
; ALL-NEXT: [[PTR1:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR1_TYPED:%.*]] = bitcast i8* [[PTR1]] to i32*
|
|
; ALL-NEXT: [[RES1:%.*]] = load i32, i32* [[PTR1_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR1_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT:%.*]]
|
|
; ALL: bb2:
|
|
; ALL-NEXT: [[PTR2:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR2_TYPED:%.*]] = bitcast i8* [[PTR2]] to i32*
|
|
; ALL-NEXT: [[RES2:%.*]] = load i32, i32* [[PTR2_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR2_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT]]
|
|
; ALL: exit:
|
|
; ALL-NEXT: [[PTR_TYPED:%.*]] = phi i32* [ [[PTR1_TYPED]], [[BB1]] ], [ [[PTR2_TYPED]], [[BB2]] ]
|
|
; ALL-NEXT: [[RES_PHI:%.*]] = phi i32 [ [[RES1]], [[BB1]] ], [ [[RES2]], [[BB2]] ]
|
|
; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
|
|
; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
|
|
; ALL-NEXT: ret i32 [[RES]]
|
|
;
|
|
entry:
|
|
%obj = call i8* @get_ptr.i8()
|
|
br i1 %cond, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%ptr1.typed = bitcast i8* %ptr1 to i32*
|
|
%res1 = load i32, i32* %ptr1.typed
|
|
call void @foo.i32(i32* %ptr1.typed)
|
|
br label %exit
|
|
|
|
bb2:
|
|
%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%ptr2.typed = bitcast i8* %ptr2 to i32*
|
|
%res2 = load i32, i32* %ptr2.typed
|
|
call void @foo.i32(i32* %ptr2.typed)
|
|
br label %exit
|
|
|
|
exit:
|
|
%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
|
|
%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
|
|
store i32 1, i32* %ptr.typed
|
|
%res.load = load i32, i32* %ptr.typed
|
|
%res = select i1 %cond2, i32 %res.phi, i32 %res.load
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test_extra_uses_non_inbounds(i1 %cond, i1 %cond2) {
|
|
; ALL-LABEL: @test_extra_uses_non_inbounds(
|
|
; ALL-NEXT: entry:
|
|
; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
|
|
; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
|
|
; ALL: bb1:
|
|
; ALL-NEXT: [[PTR1:%.*]] = getelementptr i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR1_TYPED:%.*]] = bitcast i8* [[PTR1]] to i32*
|
|
; ALL-NEXT: [[RES1:%.*]] = load i32, i32* [[PTR1_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR1_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT:%.*]]
|
|
; ALL: bb2:
|
|
; ALL-NEXT: [[PTR2:%.*]] = getelementptr i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR2_TYPED:%.*]] = bitcast i8* [[PTR2]] to i32*
|
|
; ALL-NEXT: [[RES2:%.*]] = load i32, i32* [[PTR2_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR2_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT]]
|
|
; ALL: exit:
|
|
; ALL-NEXT: [[PTR_TYPED:%.*]] = phi i32* [ [[PTR1_TYPED]], [[BB1]] ], [ [[PTR2_TYPED]], [[BB2]] ]
|
|
; ALL-NEXT: [[RES_PHI:%.*]] = phi i32 [ [[RES1]], [[BB1]] ], [ [[RES2]], [[BB2]] ]
|
|
; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
|
|
; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
|
|
; ALL-NEXT: ret i32 [[RES]]
|
|
;
|
|
entry:
|
|
%obj = call i8* @get_ptr.i8()
|
|
br i1 %cond, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
%ptr1 = getelementptr i8, i8* %obj, i64 16
|
|
%ptr1.typed = bitcast i8* %ptr1 to i32*
|
|
%res1 = load i32, i32* %ptr1.typed
|
|
call void @foo.i32(i32* %ptr1.typed)
|
|
br label %exit
|
|
|
|
bb2:
|
|
%ptr2 = getelementptr i8, i8* %obj, i64 16
|
|
%ptr2.typed = bitcast i8* %ptr2 to i32*
|
|
%res2 = load i32, i32* %ptr2.typed
|
|
call void @foo.i32(i32* %ptr2.typed)
|
|
br label %exit
|
|
|
|
exit:
|
|
%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
|
|
%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
|
|
store i32 1, i32* %ptr.typed
|
|
%res.load = load i32, i32* %ptr.typed
|
|
%res = select i1 %cond2, i32 %res.phi, i32 %res.load
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test_extra_uses_multiple_geps(i1 %cond, i1 %cond2) {
|
|
; ALL-LABEL: @test_extra_uses_multiple_geps(
|
|
; ALL-NEXT: entry:
|
|
; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
|
|
; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
|
|
; ALL: bb1:
|
|
; ALL-NEXT: [[PTR1:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR1_TYPED:%.*]] = bitcast i8* [[PTR1]] to i32*
|
|
; ALL-NEXT: [[RES1:%.*]] = load i32, i32* [[PTR1_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR1_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT:%.*]]
|
|
; ALL: bb2:
|
|
; ALL-NEXT: [[PTR2_1:%.*]] = getelementptr i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[PTR2_TYPED:%.*]] = bitcast i8* [[PTR2_1]] to i32*
|
|
; ALL-NEXT: [[RES2:%.*]] = load i32, i32* [[PTR2_TYPED]], align 4
|
|
; ALL-NEXT: call void @foo.i32(i32* nonnull [[PTR2_TYPED]])
|
|
; ALL-NEXT: br label [[EXIT]]
|
|
; ALL: exit:
|
|
; ALL-NEXT: [[PTR_TYPED:%.*]] = phi i32* [ [[PTR1_TYPED]], [[BB1]] ], [ [[PTR2_TYPED]], [[BB2]] ]
|
|
; ALL-NEXT: [[RES_PHI:%.*]] = phi i32 [ [[RES1]], [[BB1]] ], [ [[RES2]], [[BB2]] ]
|
|
; ALL-NEXT: store i32 1, i32* [[PTR_TYPED]], align 4
|
|
; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i32 [[RES_PHI]], i32 1
|
|
; ALL-NEXT: ret i32 [[RES]]
|
|
;
|
|
entry:
|
|
%obj = call i8* @get_ptr.i8()
|
|
br i1 %cond, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%ptr1.typed = bitcast i8* %ptr1 to i32*
|
|
%res1 = load i32, i32* %ptr1.typed
|
|
call void @foo.i32(i32* %ptr1.typed)
|
|
br label %exit
|
|
|
|
bb2:
|
|
%ptr2.0 = getelementptr i8, i8* %obj, i64 8
|
|
%ptr2.1 = getelementptr inbounds i8, i8* %ptr2.0, i64 8
|
|
%ptr2.typed = bitcast i8* %ptr2.1 to i32*
|
|
%res2 = load i32, i32* %ptr2.typed
|
|
call void @foo.i32(i32* %ptr2.typed)
|
|
br label %exit
|
|
|
|
exit:
|
|
%ptr.typed = phi i32* [ %ptr1.typed, %bb1 ], [ %ptr2.typed, %bb2 ]
|
|
%res.phi = phi i32 [ %res1, %bb1 ], [ %res2, %bb2 ]
|
|
store i32 1, i32* %ptr.typed
|
|
%res.load = load i32, i32* %ptr.typed
|
|
%res = select i1 %cond2, i32 %res.phi, i32 %res.load
|
|
ret i32 %res
|
|
}
|
|
|
|
define i8 @test_gep_extra_uses(i1 %cond, i1 %cond2) {
|
|
; ALL-LABEL: @test_gep_extra_uses(
|
|
; ALL-NEXT: entry:
|
|
; ALL-NEXT: [[OBJ:%.*]] = call i8* @get_ptr.i8()
|
|
; ALL-NEXT: br i1 [[COND:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
|
|
; ALL: bb1:
|
|
; ALL-NEXT: [[PTR1:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[RES1:%.*]] = load i8, i8* [[PTR1]], align 1
|
|
; ALL-NEXT: call void @foo.i8(i8* nonnull [[PTR1]])
|
|
; ALL-NEXT: br label [[EXIT:%.*]]
|
|
; ALL: bb2:
|
|
; ALL-NEXT: [[PTR2:%.*]] = getelementptr inbounds i8, i8* [[OBJ]], i64 16
|
|
; ALL-NEXT: [[RES2:%.*]] = load i8, i8* [[PTR2]], align 1
|
|
; ALL-NEXT: call void @foo.i8(i8* nonnull [[PTR2]])
|
|
; ALL-NEXT: br label [[EXIT]]
|
|
; ALL: exit:
|
|
; ALL-NEXT: [[PTR_TYPED:%.*]] = phi i8* [ [[PTR1]], [[BB1]] ], [ [[PTR2]], [[BB2]] ]
|
|
; ALL-NEXT: [[RES_PHI:%.*]] = phi i8 [ [[RES1]], [[BB1]] ], [ [[RES2]], [[BB2]] ]
|
|
; ALL-NEXT: store i8 1, i8* [[PTR_TYPED]], align 1
|
|
; ALL-NEXT: [[RES:%.*]] = select i1 [[COND2:%.*]], i8 [[RES_PHI]], i8 1
|
|
; ALL-NEXT: ret i8 [[RES]]
|
|
;
|
|
entry:
|
|
%obj = call i8* @get_ptr.i8()
|
|
br i1 %cond, label %bb1, label %bb2
|
|
|
|
bb1:
|
|
%ptr1 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%res1 = load i8, i8* %ptr1
|
|
call void @foo.i8(i8* %ptr1)
|
|
br label %exit
|
|
|
|
bb2:
|
|
%ptr2 = getelementptr inbounds i8, i8* %obj, i64 16
|
|
%res2 = load i8, i8* %ptr2
|
|
call void @foo.i8(i8* %ptr2)
|
|
br label %exit
|
|
|
|
exit:
|
|
%ptr.typed = phi i8* [ %ptr1, %bb1 ], [ %ptr2, %bb2 ]
|
|
%res.phi = phi i8 [ %res1, %bb1 ], [ %res2, %bb2 ]
|
|
store i8 1, i8* %ptr.typed
|
|
%res.load = load i8, i8* %ptr.typed
|
|
%res = select i1 %cond2, i8 %res.phi, i8 %res.load
|
|
ret i8 %res
|
|
}
|