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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=ipsccp -S %s | FileCheck %s
declare noalias ptr @malloc(i64)
; Make sure we can eliminate `%tmp17 = icmp ult i32 %tmp10, 3`.
declare void @use(i1)
define internal ptr @spam(ptr %arg) {
; CHECK-LABEL: @spam(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = call ptr @malloc(i64 10368)
; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARG:%.*]], align 8
; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP5]], 1
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[ARG]], i32 1
; CHECK-NEXT: [[TMP10:%.*]] = icmp ne ptr [[TMP7]], null
; CHECK-NEXT: br i1 [[TMP10]], label [[BB17:%.*]], label [[BB13:%.*]]
; CHECK: bb13:
; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[ARG]], i32 2
; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[TMP14]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = add i32 [[TMP15]], 1
; CHECK-NEXT: br label [[BB30:%.*]]
; CHECK: bb17:
; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP6]], [[TMP5]]
; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[ARG]], i32 3
; CHECK-NEXT: [[TMP20:%.*]] = load i32, ptr [[TMP19]], align 8
; CHECK-NEXT: br i1 [[TMP18]], label [[BB30]], label [[BB13]]
; CHECK: bb30:
; CHECK-NEXT: ret ptr [[TMP]]
;
bb:
%tmp = call ptr @malloc(i64 10368)
%tmp5 = load i32, ptr %arg, align 8
%tmp6 = add i32 %tmp5, 1
%tmp7 = getelementptr inbounds i32, ptr %arg, i32 1
%tmp10 = icmp ne ptr %tmp7, null
br i1 %tmp10, label %bb17, label %bb13
bb13:
%tmp14 = getelementptr inbounds i32, ptr %arg, i32 2
%tmp15 = load i32, ptr %tmp14, align 8
%tmp16 = add i32 %tmp15, 1
br label %bb30
bb17:
%tmp18 = icmp eq i32 %tmp6, %tmp5
%tmp19 = getelementptr inbounds i32, ptr %arg, i32 3
%tmp20 = load i32, ptr %tmp19, align 8
br i1 %tmp18, label %bb30, label %bb13
bb30:
ret ptr %tmp
}
define void @spam.1(ptr %arg) {
bb:
%tmp = alloca ptr, align 8
%tmp4 = call ptr @spam(ptr %arg)
br label %bb6
bb6: ; preds = %bb5
%tmp7 = getelementptr inbounds i32, ptr %tmp4, i32 1
%tmp10 = load i32, ptr %tmp7, align 8
%tmp11 = icmp ne i32 %tmp10, 0
br i1 %tmp11, label %bb6, label %bb15
bb15: ; preds = %bb12
%tmp17 = icmp ult i32 %tmp10, 3
call void @use(i1 %tmp17)
br i1 %tmp17, label %bb6, label %bb24
bb24:
ret void
}
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