61 lines
1.8 KiB
LLVM
61 lines
1.8 KiB
LLVM
|
; 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()
|