callsite-no-splitting.ll
1.01 KB
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; RUN: opt < %s -callsite-splitting -S | FileCheck %s
; RUN: opt < %s -passes='function(callsite-splitting)' -S | FileCheck %s
define i32 @callee(i32*, i32, i32) {
ret i32 10
}
; CHECK-LABEL: @test_preds_equal
; CHECK-NOT: split
; CHECK: br i1 %cmp, label %Tail, label %Tail
define i32 @test_preds_equal(i32* %a, i32 %v, i32 %p) {
TBB:
%cmp = icmp eq i32* %a, null
br i1 %cmp, label %Tail, label %Tail
Tail:
%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
ret i32 %r
}
define void @fn1(i16 %p1) {
entry:
ret void
}
define void @fn2() {
ret void
; Unreachable code below
for.inc: ; preds = %for.inc
br i1 undef, label %for.end6, label %for.inc
for.end6: ; preds = %for.inc
br i1 undef, label %lor.rhs, label %lor.end
lor.rhs: ; preds = %for.end6
br label %lor.end
lor.end: ; preds = %for.end6, %lor.rhs
call void @fn1(i16 0)
ret void
}