; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; RUN: opt -enable-new-pm=0 -domtree -assumption-cache-tracker -assume-simplify -verify --enable-knowledge-retention -S %s | FileCheck %s
; RUN: opt -passes='require<domtree>,require<assumptions>,assume-simplify,verify' --enable-knowledge-retention -S %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
declare void @may_throw()
declare void @llvm.assume(i1)
define i32 @test1(i32* %0, i32* %1, i32 %2, i32 %3) {
; CHECK-LABEL: define {{[^@]+}}@test1
; CHECK-SAME: (i32* nonnull dereferenceable(4) [[TMP0:%.*]], i32* [[TMP1:%.*]], i32 [[TMP2:%.*]], i32 [[TMP3:%.*]])
; CHECK-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP2]], 4
; CHECK-NEXT: br i1 [[TMP5]], label [[TMP6:%.*]], label [[A:%.*]]
; CHECK: 6:
; CHECK-NEXT: [[TMP7:%.*]] = add nsw i32 [[TMP3]], [[TMP2]]
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP0]], i64 4), "align"(i32* [[TMP1]], i64 4), "nonnull"(i32* [[TMP1]]) ]
; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* [[TMP0]], align 4
; CHECK-NEXT: [[TMP9:%.*]] = add nsw i32 [[TMP7]], [[TMP8]]
; CHECK-NEXT: store i32 0, i32* [[TMP0]], align 4
; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP1]], align 4
; CHECK-NEXT: [[TMP11:%.*]] = add nsw i32 [[TMP9]], [[TMP10]]
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP1]], i64 4), "ignore"(i32* undef) ]
; CHECK-NEXT: store i32 [[TMP11]], i32* [[TMP1]], align 4
; CHECK-NEXT: br label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP0]], i64 4), "ignore"(i32* undef, i64 4), "ignore"(i32* undef) ]
; CHECK-NEXT: br label [[B]]
; CHECK: B:
; CHECK-NEXT: ret i32 0
;
%5 = icmp ne i32 %2, 4
call void @llvm.assume(i1 true) ["dereferenceable"(i32* %0, i64 4), "nonnull"(i32* %0) ]
br i1 %5, label %6, label %A
6: ; preds = %4
%7 = add nsw i32 %3, %2
call void @may_throw()
%8 = load i32, i32* %0, align 4
%9 = add nsw i32 %7, %8
store i32 0, i32* %0, align 4
call void @llvm.assume(i1 true) [ "align"(i32* %0, i64 4), "dereferenceable"(i32* %0, i64 4) ]
%10 = load i32, i32* %1, align 4
%11 = add nsw i32 %9, %10
call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "nonnull"(i32* %1) ]
call void @may_throw()
call void @llvm.assume(i1 true) [ "dereferenceable"(i32* %1, i64 4), "nonnull"(i32* %1) ]
store i32 %11, i32* %1, align 4
br label %B
A:
call void @llvm.assume(i1 true) [ "align"(i32* %0, i64 4), "dereferenceable"(i32* %0, i64 4), "nonnull"(i32* %0) ]
br label %B
B: ; preds = %6, %4
ret i32 0
}
define i32 @test2(i32** %0, i32* %1, i32 %2, i32 %3) {
; CHECK-LABEL: define {{[^@]+}}@test2
; CHECK-SAME: (i32** [[TMP0:%.*]], i32* nonnull align 4 dereferenceable(4) [[TMP1:%.*]], i32 [[TMP2:%.*]], i32 [[TMP3:%.*]])
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
; CHECK-NEXT: [[TMP7:%.*]] = icmp ne i32 [[TMP6]], 0
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 0
; CHECK-NEXT: br i1 [[TMP7]], label [[TMP9:%.*]], label [[TMP19:%.*]]
; CHECK: 9:
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4), "nonnull"(i32* [[TMP8]]) ]
; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 4
; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 2
; CHECK-NEXT: store i32 [[TMP10]], i32* [[TMP11]], align 4
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 1
; CHECK-NEXT: [[TMP13:%.*]] = load i32*, i32** [[TMP12]], align 8
; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[TMP13]], i64 0
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP1]], i64 12), "align"(i32* [[TMP13]], i64 4), "dereferenceable"(i32* [[TMP13]], i64 4), "nonnull"(i32* [[TMP13]]) ]
; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 1
; CHECK-NEXT: [[TMP17:%.*]] = load i32*, i32** [[TMP16]], align 8
; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[TMP17]], i64 2
; CHECK-NEXT: store i32 [[TMP15]], i32* [[TMP18]], align 4
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
; CHECK-NEXT: br label [[TMP35:%.*]]
; CHECK: 19:
; CHECK-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 7
; CHECK-NEXT: [[TMP21:%.*]] = load i32*, i32** [[TMP20]], align 8
; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i64 0
; CHECK-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
; CHECK-NEXT: [[TMP24:%.*]] = icmp ne i32 [[TMP23]], 0
; CHECK-NEXT: br i1 [[TMP24]], label [[TMP25:%.*]], label [[TMP33:%.*]]
; CHECK: 25:
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 2
; CHECK-NEXT: [[TMP27:%.*]] = load i32*, i32** [[TMP26]], align 8
; CHECK-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, i32* [[TMP27]], i64 0
; CHECK-NEXT: [[TMP29:%.*]] = load i32, i32* [[TMP28]], align 4
; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 2
; CHECK-NEXT: [[TMP31:%.*]] = load i32*, i32** [[TMP30]], align 8
; CHECK-NEXT: [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[TMP31]], i64 2
; CHECK-NEXT: store i32 [[TMP29]], i32* [[TMP32]], align 4
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: br label [[TMP33]]
; CHECK: 33:
; CHECK-NEXT: br label [[TMP34:%.*]]
; CHECK: 34:
; CHECK-NEXT: br label [[TMP35]]
; CHECK: 35:
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
; CHECK-NEXT: ret i32 0
;
%5 = getelementptr inbounds i32, i32* %1, i64 0
%6 = load i32, i32* %5, align 4
%7 = icmp ne i32 %6, 0
call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "dereferenceable"(i32* %1, i64 4) ]
call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "nonnull"(i32* %1) ]
%8 = getelementptr inbounds i32, i32* %1, i64 0
br i1 %7, label %9, label %19
9: ; preds = %4
call void @may_throw()
call void @llvm.assume(i1 true) [ "align"(i32* %8, i64 4), "dereferenceable"(i32* %8, i64 4), "nonnull"(i32* %8) ]
%10 = load i32, i32* %8, align 4
%11 = getelementptr inbounds i32, i32* %1, i64 2
store i32 %10, i32* %11, align 4
call void @may_throw()
call void @may_throw()
call void @llvm.assume(i1 true) [ "align"(i32* %11, i64 4), "dereferenceable"(i32* %11, i64 4), "nonnull"(i32* %11) ]
%12 = getelementptr inbounds i32*, i32** %0, i64 1
%13 = load i32*, i32** %12, align 8
%14 = getelementptr inbounds i32, i32* %13, i64 0
%15 = load i32, i32* %14, align 4
call void @llvm.assume(i1 true) [ "align"(i32* %14, i64 4), "dereferenceable"(i32* %14, i64 4), "nonnull"(i32* %14) ]
%16 = getelementptr inbounds i32*, i32** %0, i64 1
%17 = load i32*, i32** %16, align 8
%18 = getelementptr inbounds i32, i32* %17, i64 2
store i32 %15, i32* %18, align 4
call void @may_throw()
call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
br label %35
19: ; preds = %4
%20 = getelementptr inbounds i32*, i32** %0, i64 7
%21 = load i32*, i32** %20, align 8
%22 = getelementptr inbounds i32, i32* %21, i64 0
%23 = load i32, i32* %22, align 4
%24 = icmp ne i32 %23, 0
br i1 %24, label %25, label %33
25: ; preds = %19
call void @may_throw()
call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
%26 = getelementptr inbounds i32*, i32** %0, i64 2
%27 = load i32*, i32** %26, align 8
%28 = getelementptr inbounds i32, i32* %27, i64 0
%29 = load i32, i32* %28, align 4
%30 = getelementptr inbounds i32*, i32** %0, i64 2
%31 = load i32*, i32** %30, align 8
%32 = getelementptr inbounds i32, i32* %31, i64 2
store i32 %29, i32* %32, align 4
call void @may_throw()
br label %33
33: ; preds = %25, %19
br label %34
34: ; preds = %33
br label %35
35: ; preds = %34, %8
call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
ret i32 0
}
define i32 @test3(i32* nonnull %p, i32 %i) {
; CHECK-LABEL: define {{[^@]+}}@test3
; CHECK-SAME: (i32* nonnull [[P:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: ret i32 0
; CHECK: B:
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
; CHECK-NEXT: ret i32 [[RET]]
;
%cond = icmp ne i32 %i, 0
call void @llvm.assume(i1 true) [ "nonnull"(i32* %p) ]
br i1 %cond, label %A, label %B
A:
ret i32 0
B:
%ret = load i32, i32* %p
ret i32 %ret
}
define i32 @test4(i32* %p, i32 %i) {
; CHECK-LABEL: define {{[^@]+}}@test4
; CHECK-SAME: (i32* nonnull dereferenceable(32) [[P:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: ret i32 0
; CHECK: B:
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
; CHECK-NEXT: ret i32 [[RET]]
;
%cond = icmp ne i32 %i, 0
call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
br i1 %cond, label %A, label %B
A:
ret i32 0
B:
%ret = load i32, i32* %p
ret i32 %ret
}
define i32 @test4A(i32* %p, i32 %i) {
; CHECK-LABEL: define {{[^@]+}}@test4A
; CHECK-SAME: (i32* [[P:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[P]]), "dereferenceable"(i32* [[P]], i32 32) ]
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: ret i32 0
; CHECK: B:
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
; CHECK-NEXT: ret i32 [[RET]]
;
call void @may_throw()
%cond = icmp ne i32 %i, 0
call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
br i1 %cond, label %A, label %B
A:
ret i32 0
B:
%ret = load i32, i32* %p
ret i32 %ret
}
define i32 @test5(i32* dereferenceable(64) %p, i32 %i) {
; CHECK-LABEL: define {{[^@]+}}@test5
; CHECK-SAME: (i32* nonnull dereferenceable(64) [[P:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: ret i32 0
; CHECK: B:
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
; CHECK-NEXT: ret i32 [[RET]]
;
%cond = icmp ne i32 %i, 0
call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
br i1 %cond, label %A, label %B
A:
ret i32 0
B:
%ret = load i32, i32* %p
ret i32 %ret
}
define i32 @test5A(i32* dereferenceable(8) %p, i32 %i) {
; CHECK-LABEL: define {{[^@]+}}@test5A
; CHECK-SAME: (i32* dereferenceable(32) [[P:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"(), "ignore"(i32* undef, i32 32) ]
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: ret i32 0
; CHECK: B:
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
; CHECK-NEXT: ret i32 [[RET]]
;
%cond = icmp ne i32 %i, 0
call void @llvm.assume(i1 true) [ "cold"(), "dereferenceable"(i32* %p, i32 32) ]
br i1 %cond, label %A, label %B
A:
ret i32 0
B:
%ret = load i32, i32* %p
ret i32 %ret
}
define i32 @test6() {
; CHECK-LABEL: define {{[^@]+}}@test6()
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"() ]
; CHECK-NEXT: call void @may_throw()
; CHECK-NEXT: ret i32 0
;
call void @llvm.assume(i1 true) [ "cold"() ]
call void @llvm.assume(i1 true) [ "cold"() ]
call void @may_throw()
call void @llvm.assume(i1 true) [ "cold"() ]
ret i32 0
}
define i32 @test7(i32* %p) {
; CHECK-LABEL: define {{[^@]+}}@test7
; CHECK-SAME: (i32* align 4 dereferenceable(4) [[P:%.*]])
; CHECK-NEXT: [[P1:%.*]] = bitcast i32* [[P]] to i8*
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"(), "nonnull"(i32* [[P]]) ]
; CHECK-NEXT: ret i32 0
;
%p1 = bitcast i32* %p to i8*
call void @llvm.assume(i1 true) [ "cold"() ]
call void @llvm.assume(i1 true) [ "align"(i32* %p, i32 4) ]
call void @llvm.assume(i1 true) [ "dereferenceable"(i32* %p, i32 4) ]
call void @llvm.assume(i1 true) [ "align"(i8* %p1, i32 4), "nonnull"(i8* %p1) ]
ret i32 0
}