| ; 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) } |