forked from OSchip/llvm-project
69 lines
2.0 KiB
LLVM
69 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -O2 -S < %s -enable-new-pm=0 | FileCheck %s
|
|
; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s
|
|
|
|
define i64 @PR36760(i64 %a) {
|
|
; CHECK-LABEL: @PR36760(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = icmp sgt i64 [[A:%.*]], 0
|
|
; CHECK-NEXT: [[DOTA:%.*]] = select i1 [[TMP0]], i64 [[A]], i64 0
|
|
; CHECK-NEXT: ret i64 [[DOTA]]
|
|
;
|
|
entry:
|
|
%retval = alloca i64, align 8
|
|
%a.addr = alloca i64, align 8
|
|
store i64 %a, i64* %a.addr, align 8
|
|
%0 = load i64, i64* %a.addr, align 8
|
|
%cmp = icmp slt i64 %0, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
store i64 0, i64* %retval, align 8
|
|
br label %return
|
|
|
|
if.end:
|
|
%1 = load i64, i64* %a.addr, align 8
|
|
%shr = ashr i64 %1, 63
|
|
%2 = load i64, i64* %a.addr, align 8
|
|
%xor = xor i64 %shr, %2
|
|
store i64 %xor, i64* %retval, align 8
|
|
br label %return
|
|
|
|
return:
|
|
%3 = load i64, i64* %retval, align 8
|
|
ret i64 %3
|
|
}
|
|
|
|
define i64 @PR36760_2(i64 %a) #0 {
|
|
; CHECK-LABEL: @PR36760_2(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i64 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 [[A]], i64 -1
|
|
; CHECK-NEXT: [[RETVAL_0:%.*]] = xor i64 [[TMP1]], -1
|
|
; CHECK-NEXT: ret i64 [[RETVAL_0]]
|
|
;
|
|
entry:
|
|
%retval = alloca i64, align 8
|
|
%a.addr = alloca i64, align 8
|
|
store i64 %a, i64* %a.addr, align 8
|
|
%0 = load i64, i64* %a.addr, align 8
|
|
%cmp = icmp sge i64 %0, 0
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
store i64 0, i64* %retval, align 8
|
|
br label %return
|
|
|
|
if.end: ; preds = %entry
|
|
%1 = load i64, i64* %a.addr, align 8
|
|
%shr = ashr i64 %1, 63
|
|
%2 = load i64, i64* %a.addr, align 8
|
|
%xor = xor i64 %shr, %2
|
|
store i64 %xor, i64* %retval, align 8
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %if.then
|
|
%3 = load i64, i64* %retval, align 8
|
|
ret i64 %3
|
|
}
|