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| ; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s
; Checks for conditional branch b.vs
; Function Attrs: nounwind
define i32 @add(i32, i32) {
entry:
%2 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %0, i32 %1)
%3 = extractvalue { i32, i1 } %2, 1
br i1 %3, label %6, label %4
; <label>:4 ; preds = %entry
%5 = extractvalue { i32, i1 } %2, 0
ret i32 %5
; <label>:6 ; preds = %entry
tail call void @llvm.trap()
unreachable
; CHECK: b.vs
}
%S64 = type <{ i64 }>
%S32 = type <{ i32 }>
%Sstruct = type <{ %S64, %S32 }>
; Checks for compfail when optimizing csincr-cbz sequence
define { i64, i1 } @foo(i64* , %Sstruct* , i1, i64) {
entry:
%.sroa.0 = alloca i72, align 16
%.count.value = getelementptr inbounds %Sstruct, %Sstruct* %1, i64 0, i32 0, i32 0
%4 = load i64, i64* %.count.value, align 8
%.repeatedValue.value = getelementptr inbounds %Sstruct, %Sstruct* %1, i64 0, i32 1, i32 0
%5 = load i32, i32* %.repeatedValue.value, align 8
%6 = icmp eq i64 %4, 0
br label %7
; <label>:7 ; preds = %entry
%.mask58 = and i32 %5, -2048
%8 = icmp eq i32 %.mask58, 55296
%.not134 = xor i1 %8, true
%9 = icmp eq i32 %5, 1114112
%or.cond135 = and i1 %9, %.not134
br i1 %or.cond135, label %10, label %.loopexit
; <label>:10 ; preds = %7
%11 = and i32 %5, -2048
%12 = icmp eq i32 %11, 55296
br i1 %12, label %.loopexit, label %10
.loopexit: ; preds = %.entry,%7,%10
tail call void @llvm.trap()
unreachable
}
; Function Attrs: nounwind readnone
declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32)
; Function Attrs: noreturn nounwind
declare void @llvm.trap()
|