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; RUN: llc < %s -mtriple thumbv7s-apple-darwin -asm-verbose=false | FileCheck %s
; RUN: llc < %s -mtriple thumbv7s-apple-darwin -asm-verbose=false -print-machineinstrs=if-converter 2>&1 | FileCheck --check-prefix=CHECK-PROB %s
declare i32 @foo(i32)
declare i8* @bar(i32, i8*, i8*)
; Verify that we don't try to iteratively re-ifconvert a block with a
; (predicated) indirectbr terminator.
; If we do, we would ignore its fallthrough successor.
; CHECK-LABEL: test:
; CHECK: cmp {{.*}}, #21
; CHECK-NEXT: itt eq
; CHECK-NEXT: streq.w
; CHECK-NEXT: moveq pc
; CHECK-NEXT: LBB{{[0-9_]+}}:
; CHECK-NEXT: cmp {{.*}}, #42
; CHECK-NEXT: itt ne
; CHECK-NEXT: strne.w
; CHECK-NEXT: movne pc
; CHECK-NEXT: Ltmp
; CHECK-NEXT: LBB0_2:
; CHECK-NEXT: movw r0, #1234
; CHECK-NEXT: b [[FOOCALL:LBB[0-9_]+]]
; CHECK-NEXT: Ltmp
; CHECK-NEXT: LBB{{[0-9_]+}}:
; CHECK-NEXT: movw r0, #4567
; CHECK-NEXT: [[FOOCALL]]:
; CHECK-NEXT: bl _foo
;
; CHECK-PROB: BB#0:
; CHECK-PROB: Successors according to CFG: BB#1({{[0-9a-fx/= ]+}}50.00%) BB#2({{[0-9a-fx/= ]+}}25.00%) BB#4({{[0-9a-fx/= ]+}}25.00%)
; CHECK-PROB: BB#1:
; CHECK-PROB: Successors according to CFG: BB#2({{[0-9a-fx/= ]+}}75.00%) BB#4({{[0-9a-fx/= ]+}}25.00%)
define i32 @test(i32 %a, i32 %a2, i32* %p, i32* %p2) {
entry:
%dst1 = call i8* @bar(i32 1, i8* blockaddress(@test, %bb1), i8* blockaddress(@test, %bb2))
%dst2 = call i8* @bar(i32 2, i8* blockaddress(@test, %bb1), i8* blockaddress(@test, %bb2))
%dst3 = call i8* @bar(i32 3, i8* blockaddress(@test, %bb1), i8* blockaddress(@test, %bb2))
%cc1 = icmp eq i32 %a, 21
br i1 %cc1, label %cc1t, label %cc1f
cc1t:
store i32 %a, i32* %p
indirectbr i8* %dst3, [label %bb1, label %bb2]
cc1f:
%cc2 = icmp ne i32 %a2, 42
br i1 %cc2, label %cc2t, label %bb1
cc2t:
store i32 %a, i32* %p2
indirectbr i8* %dst1, [label %bb1, label %bb2]
bb1:
%ret_bb1 = call i32 @foo(i32 1234)
ret i32 %ret_bb1
bb2:
%ret_bb2 = call i32 @foo(i32 4567)
ret i32 %ret_bb2
}
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