41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -passes=inline < %s -S | FileCheck %s
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; Test that instsimplify invoked by the inliner respects null_pointer_is_valid
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; (by ensuring that the instruction is inserted into the function when invoking
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; instsimplify).
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define internal i1 @f(ptr %p) null_pointer_is_valid {
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%g = getelementptr inbounds i8, ptr %p, i32 -1
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%r = icmp eq ptr %g, null
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ret i1 %r
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}
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define i1 @g(ptr %p) null_pointer_is_valid {
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; CHECK-LABEL: define i1 @g
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; CHECK-SAME: (ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[G_I:%.*]] = getelementptr inbounds i8, ptr [[P]], i32 -1
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; CHECK-NEXT: [[R_I:%.*]] = icmp eq ptr [[G_I]], null
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; CHECK-NEXT: ret i1 [[R_I]]
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;
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%r = call i1 @f(ptr %p)
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ret i1 %r
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}
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define internal i1 @f2(ptr %p) {
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%g = getelementptr inbounds i8, ptr %p, i32 -1
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%r = icmp eq ptr %g, null
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ret i1 %r
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}
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define i1 @g2(ptr %p) null_pointer_is_valid {
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; CHECK-LABEL: define i1 @g2
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; CHECK-SAME: (ptr [[P:%.*]]) #[[ATTR0]] {
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; CHECK-NEXT: [[G_I:%.*]] = getelementptr inbounds i8, ptr [[P]], i32 -1
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; CHECK-NEXT: [[R_I:%.*]] = icmp eq ptr [[G_I]], null
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; CHECK-NEXT: ret i1 [[R_I]]
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;
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%r = call i1 @f2(ptr %p)
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ret i1 %r
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}
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