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; RUN: opt < %s -instcombine -S | FileCheck %s
; InstCombine should mark null-checked argument as nonnull at callsite
declare void @dummy(i32*, i32)
define void @test(i32* %a, i32 %b) {
; CHECK-LABEL: @test
; CHECK: call void @dummy(i32* nonnull %a, i32 %b)
entry:
%cond1 = icmp eq i32* %a, null
br i1 %cond1, label %dead, label %not_null
not_null:
%cond2 = icmp eq i32 %b, 0
br i1 %cond2, label %dead, label %not_zero
not_zero:
call void @dummy(i32* %a, i32 %b)
ret void
dead:
unreachable
}
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