| ; 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-ni:1-p2:32:8:8:32-ni:2" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @test() { |
| ; CHECK-LABEL: define void @test() { |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br label [[BB3:%.*]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[LSR_IV1:%.*]] = phi i32 [ [[LSR_IV_NEXT2:%.*]], [[BB7:%.*]] ], [ 0, [[BB:%.*]] ] |
| ; CHECK-NEXT: [[LSR_IV:%.*]] = phi i32 [ [[LSR_IV_NEXT:%.*]], [[BB7]] ], [ 16, [[BB]] ] |
| ; CHECK-NEXT: br label [[BB4:%.*]] |
| ; CHECK: bb4: |
| ; CHECK-NEXT: [[LSR_IV3:%.*]] = phi i32 [ [[LSR_IV_NEXT4:%.*]], [[BB6:%.*]] ], [ [[LSR_IV1]], [[BB3]] ] |
| ; CHECK-NEXT: br i1 true, label [[BB7]], label [[BB6]] |
| ; CHECK: bb6: |
| ; CHECK-NEXT: [[LSR_IV_NEXT4]] = add i32 [[LSR_IV3]], 268435456 |
| ; CHECK-NEXT: br label [[BB4]] |
| ; CHECK: bb7: |
| ; CHECK-NEXT: [[MUL9:%.*]] = mul i32 [[LSR_IV3]], [[LSR_IV3]] |
| ; CHECK-NEXT: [[MUL10:%.*]] = mul i32 [[MUL9]], [[LSR_IV3]] |
| ; CHECK-NEXT: call void @foo(i32 [[MUL10]]) |
| ; CHECK-NEXT: [[SEXT:%.*]] = sext i32 [[MUL10]] to i64 |
| ; CHECK-NEXT: [[LSR_IV_NEXT]] = add i32 [[LSR_IV]], 32 |
| ; CHECK-NEXT: [[LSR_IV_NEXT2]] = add i32 [[LSR_IV1]], [[LSR_IV]] |
| ; CHECK-NEXT: br label [[BB3]] |
| ; |
| bb: |
| br label %bb3 |
| |
| bb3: ; preds = %bb7, %bb |
| %phi = phi i64 [ 0, %bb ], [ %add11, %bb7 ] |
| br label %bb4 |
| |
| bb4: ; preds = %bb6, %bb3 |
| %phi5 = phi i32 [ 0, %bb3 ], [ %add, %bb6 ] |
| br i1 true, label %bb7, label %bb6 |
| |
| bb6: ; preds = %bb4 |
| %add = add i32 %phi5, 8 |
| br label %bb4 |
| |
| bb7: ; preds = %bb4 |
| %shl = shl i32 %phi5, 25 |
| %mul = mul i64 %phi, %phi |
| %trunc = trunc i64 %mul to i32 |
| %add8 = add i32 %shl, %trunc |
| %mul9 = mul i32 %add8, %add8 |
| %mul10 = mul i32 %mul9, %add8 |
| call void @foo(i32 %mul10) |
| %sext = sext i32 %mul10 to i64 |
| %add11 = add i64 %phi, 4 |
| br label %bb3 |
| } |
| |
| declare void @foo(i32) |
| |