77 lines
3.2 KiB
LLVM
77 lines
3.2 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
|
||
|
|
; RUN: opt -loop-reduce -S < %s | FileCheck %s
|
||
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
; XFAIL: *
|
||
|
|
|
||
|
|
define void @test() {
|
||
|
|
; CHECK-LABEL: define void @test() {
|
||
|
|
; CHECK-NEXT: bb:
|
||
|
|
; CHECK-NEXT: br label [[BB3:%.*]]
|
||
|
|
; CHECK: bb3:
|
||
|
|
; CHECK-NEXT: [[LSR_IV:%.*]] = phi i32 [ [[LSR_IV_NEXT:%.*]], [[BB3]] ], [ 159, [[BB:%.*]] ]
|
||
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ 158, [[BB]] ], [ [[ADD5:%.*]], [[BB3]] ]
|
||
|
|
; CHECK-NEXT: [[PHI4:%.*]] = phi i32 [ 0, [[BB]] ], [ [[ADD6:%.*]], [[BB3]] ]
|
||
|
|
; CHECK-NEXT: [[ADD5]] = add i64 [[PHI]], -4
|
||
|
|
; CHECK-NEXT: [[ADD6]] = add i32 [[PHI4]], 4
|
||
|
|
; CHECK-NEXT: [[LSR_IV_NEXT]] = add nsw i32 [[LSR_IV]], -4
|
||
|
|
; CHECK-NEXT: [[ICMP:%.*]] = icmp ult i64 [[ADD5]], 7
|
||
|
|
; CHECK-NEXT: br i1 [[ICMP]], label [[BB7:%.*]], label [[BB3]]
|
||
|
|
; CHECK: bb7:
|
||
|
|
; CHECK-NEXT: [[UMAX7:%.*]] = call i32 @llvm.umax.i32(i32 [[LSR_IV_NEXT]], i32 10)
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[UMAX7]], [[ADD6]]
|
||
|
|
; CHECK-NEXT: [[UMIN6:%.*]] = call i32 @llvm.umin.i32(i32 [[LSR_IV_NEXT]], i32 11)
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[UMIN6]], [[ADD6]]
|
||
|
|
; CHECK-NEXT: [[SMAX5:%.*]] = call i32 @llvm.smax.i32(i32 [[LSR_IV_NEXT]], i32 10)
|
||
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[SMAX5]], [[ADD6]]
|
||
|
|
; CHECK-NEXT: [[SMIN4:%.*]] = call i32 @llvm.smin.i32(i32 [[LSR_IV_NEXT]], i32 10)
|
||
|
|
; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[SMIN4]], [[ADD6]]
|
||
|
|
; CHECK-NEXT: call void @use.umax.res(i32 [[TMP0]])
|
||
|
|
; CHECK-NEXT: call void @use.umin.res(i32 [[TMP1]])
|
||
|
|
; CHECK-NEXT: call void @use.smax.res(i32 [[TMP2]])
|
||
|
|
; CHECK-NEXT: call void @use.smin.res(i32 [[TMP3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
bb:
|
||
|
|
br label %bb3
|
||
|
|
|
||
|
|
bb3: ; preds = %bb3, %bb
|
||
|
|
%phi = phi i64 [ 158, %bb ], [ %add5, %bb3 ]
|
||
|
|
%phi4 = phi i32 [ 0, %bb ], [ %add6, %bb3 ]
|
||
|
|
%add = add i64 %phi, -3
|
||
|
|
%trunc = trunc i64 %add to i32
|
||
|
|
%umax = call i32 @llvm.umax.i32(i32 %trunc, i32 10)
|
||
|
|
%umin = call i32 @llvm.umin.i32(i32 %trunc, i32 11)
|
||
|
|
%smax = call i32 @llvm.smax.i32(i32 %trunc, i32 10)
|
||
|
|
%smin = call i32 @llvm.smin.i32(i32 %trunc, i32 10)
|
||
|
|
%add5 = add i64 %phi, -4
|
||
|
|
%add6 = add i32 %phi4, 4
|
||
|
|
%icmp = icmp ult i64 %add5, 7
|
||
|
|
br i1 %icmp, label %bb7, label %bb3
|
||
|
|
|
||
|
|
bb7: ; preds = %bb3
|
||
|
|
%umax.res = add i32 %add6, %umax
|
||
|
|
%umin.res = add i32 %add6, %umin
|
||
|
|
%smax.res = add i32 %add6, %smax
|
||
|
|
%smin.res = add i32 %add6, %smin
|
||
|
|
call void @use.umax.res(i32 %umax.res)
|
||
|
|
call void @use.umin.res(i32 %umin.res)
|
||
|
|
call void @use.smax.res(i32 %smax.res)
|
||
|
|
call void @use.smin.res(i32 %smin.res)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
|
||
|
|
declare i32 @llvm.umax.i32(i32, i32) #0
|
||
|
|
declare i32 @llvm.umin.i32(i32, i32) #0
|
||
|
|
declare i32 @llvm.smax.i32(i32, i32) #0
|
||
|
|
declare i32 @llvm.smin.i32(i32, i32) #0
|
||
|
|
|
||
|
|
declare void @use.umax.res(i32)
|
||
|
|
declare void @use.umin.res(i32)
|
||
|
|
declare void @use.smax.res(i32)
|
||
|
|
declare void @use.smin.res(i32)
|
||
|
|
|
||
|
|
attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
|