46 lines
1.3 KiB
LLVM
46 lines
1.3 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
; RUN: opt -passes='loop-mssa(indvars,loop-rotate)' -verify-scev -S %s | FileCheck %s
|
||
|
|
||
|
define void @pr59534(i16 %c.0, ptr %A) {
|
||
|
; CHECK-LABEL: @pr59534(
|
||
|
; CHECK-NEXT: entry:
|
||
|
; CHECK-NEXT: br label [[LOOP_HEADER:%.*]]
|
||
|
; CHECK: loop.header:
|
||
|
; CHECK-NEXT: [[C_1:%.*]] = icmp ne i16 [[C_0:%.*]], 0
|
||
|
; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
|
||
|
; CHECK: if.then:
|
||
|
; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[A:%.*]], align 1
|
||
|
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[L]], 0
|
||
|
; CHECK-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i16
|
||
|
; CHECK-NEXT: store i16 [[CONV]], ptr [[A]], align 2
|
||
|
; CHECK-NEXT: br label [[IF_END]]
|
||
|
; CHECK: if.end:
|
||
|
; CHECK-NEXT: br i1 false, label [[LOOP_HEADER]], label [[EXIT:%.*]]
|
||
|
; CHECK: exit:
|
||
|
; CHECK-NEXT: ret void
|
||
|
;
|
||
|
entry:
|
||
|
br label %loop.header
|
||
|
|
||
|
loop.header:
|
||
|
%e.0 = phi i32 [ 0, %entry ], [ 1, %loop.latch ]
|
||
|
%c.1 = icmp ne i16 %c.0, 0
|
||
|
br i1 %c.1, label %if.then, label %if.end
|
||
|
|
||
|
if.then:
|
||
|
%l = load i32, ptr %A, align 1
|
||
|
%cmp = icmp sgt i32 %l, %e.0
|
||
|
%conv = zext i1 %cmp to i16
|
||
|
store i16 %conv, ptr %A
|
||
|
br label %if.end
|
||
|
|
||
|
if.end:
|
||
|
br i1 false, label %loop.latch, label %exit
|
||
|
|
||
|
loop.latch:
|
||
|
br label %loop.header
|
||
|
|
||
|
exit:
|
||
|
ret void
|
||
|
}
|