| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes="default<O3>" -S < %s | FileCheck %s --check-prefix=SSE |
| ; RUN: opt -passes="default<O3>" -S -mattr=avx < %s | FileCheck %s --check-prefix=AVX |
| |
| ; This test is based on https://github.com/llvm/llvm-project/issues/50778 |
| ; It's the unoptimized IR passed through -passes=mem2reg to remove obvious noise. |
| ; This should show cooperation between instcombine, unrolling, inlining, |
| ; and SLP to create the target-optimal vector math+logic ops. |
| |
| 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" |
| |
| define noundef i64 @foo(i64 noundef %0) { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: [[TMP2:%.*]] = shl i64 [[TMP0:%.*]], 44 |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub nuw nsw i64 -17592186044416, [[TMP2]] |
| ; CHECK-NEXT: ret i64 [[TMP3]] |
| ; |
| ; SSE-LABEL: @foo( |
| ; SSE-NEXT: [[TMP2:%.*]] = shl i64 [[TMP0:%.*]], 44 |
| ; SSE-NEXT: [[TMP3:%.*]] = sub nuw nsw i64 -17592186044416, [[TMP2]] |
| ; SSE-NEXT: ret i64 [[TMP3]] |
| ; |
| ; AVX-LABEL: @foo( |
| ; AVX-NEXT: [[TMP2:%.*]] = shl i64 [[TMP0:%.*]], 44 |
| ; AVX-NEXT: [[TMP3:%.*]] = sub nuw nsw i64 -17592186044416, [[TMP2]] |
| ; AVX-NEXT: ret i64 [[TMP3]] |
| ; |
| %2 = sub i64 1048575, %0 |
| %3 = shl i64 %2, 44 |
| ret i64 %3 |
| } |
| |
| define void @bar(ptr noundef %0) { |
| ; SSE-LABEL: @bar( |
| ; SSE-NEXT: [[TMP2:%.*]] = load <2 x i64>, ptr [[TMP0:%.*]], align 8 |
| ; SSE-NEXT: [[TMP3:%.*]] = shl <2 x i64> [[TMP2]], <i64 44, i64 44> |
| ; SSE-NEXT: [[TMP4:%.*]] = sub nuw nsw <2 x i64> <i64 -17592186044416, i64 -17592186044416>, [[TMP3]] |
| ; SSE-NEXT: store <2 x i64> [[TMP4]], ptr [[TMP0]], align 8 |
| ; SSE-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i64 16 |
| ; SSE-NEXT: [[TMP6:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8 |
| ; SSE-NEXT: [[TMP7:%.*]] = shl <2 x i64> [[TMP6]], <i64 44, i64 44> |
| ; SSE-NEXT: [[TMP8:%.*]] = sub nuw nsw <2 x i64> <i64 -17592186044416, i64 -17592186044416>, [[TMP7]] |
| ; SSE-NEXT: store <2 x i64> [[TMP8]], ptr [[TMP5]], align 8 |
| ; SSE-NEXT: [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i64 32 |
| ; SSE-NEXT: [[TMP10:%.*]] = load <2 x i64>, ptr [[TMP9]], align 8 |
| ; SSE-NEXT: [[TMP11:%.*]] = shl <2 x i64> [[TMP10]], <i64 44, i64 44> |
| ; SSE-NEXT: [[TMP12:%.*]] = sub nuw nsw <2 x i64> <i64 -17592186044416, i64 -17592186044416>, [[TMP11]] |
| ; SSE-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP9]], align 8 |
| ; SSE-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i64 48 |
| ; SSE-NEXT: [[TMP14:%.*]] = load <2 x i64>, ptr [[TMP13]], align 8 |
| ; SSE-NEXT: [[TMP15:%.*]] = shl <2 x i64> [[TMP14]], <i64 44, i64 44> |
| ; SSE-NEXT: [[TMP16:%.*]] = sub nuw nsw <2 x i64> <i64 -17592186044416, i64 -17592186044416>, [[TMP15]] |
| ; SSE-NEXT: store <2 x i64> [[TMP16]], ptr [[TMP13]], align 8 |
| ; SSE-NEXT: ret void |
| ; |
| ; AVX-LABEL: @bar( |
| ; AVX-NEXT: [[TMP2:%.*]] = load <4 x i64>, ptr [[TMP0:%.*]], align 8 |
| ; AVX-NEXT: [[TMP3:%.*]] = shl <4 x i64> [[TMP2]], <i64 44, i64 44, i64 44, i64 44> |
| ; AVX-NEXT: [[TMP4:%.*]] = sub nuw nsw <4 x i64> <i64 -17592186044416, i64 -17592186044416, i64 -17592186044416, i64 -17592186044416>, [[TMP3]] |
| ; AVX-NEXT: store <4 x i64> [[TMP4]], ptr [[TMP0]], align 8 |
| ; AVX-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i64 32 |
| ; AVX-NEXT: [[TMP6:%.*]] = load <4 x i64>, ptr [[TMP5]], align 8 |
| ; AVX-NEXT: [[TMP7:%.*]] = shl <4 x i64> [[TMP6]], <i64 44, i64 44, i64 44, i64 44> |
| ; AVX-NEXT: [[TMP8:%.*]] = sub nuw nsw <4 x i64> <i64 -17592186044416, i64 -17592186044416, i64 -17592186044416, i64 -17592186044416>, [[TMP7]] |
| ; AVX-NEXT: store <4 x i64> [[TMP8]], ptr [[TMP5]], align 8 |
| ; AVX-NEXT: ret void |
| ; |
| br label %2 |
| |
| 2: ; preds = %12, %1 |
| %.0 = phi i32 [ 0, %1 ], [ %13, %12 ] |
| %3 = icmp slt i32 %.0, 8 |
| br i1 %3, label %5, label %4 |
| |
| 4: ; preds = %2 |
| br label %14 |
| |
| 5: ; preds = %2 |
| %6 = sext i32 %.0 to i64 |
| %7 = getelementptr inbounds i64, ptr %0, i64 %6 |
| %8 = load i64, ptr %7, align 8 |
| %9 = call noundef i64 @foo(i64 noundef %8) |
| %10 = sext i32 %.0 to i64 |
| %11 = getelementptr inbounds i64, ptr %0, i64 %10 |
| store i64 %9, ptr %11, align 8 |
| br label %12 |
| |
| 12: ; preds = %5 |
| %13 = add nsw i32 %.0, 1 |
| br label %2 |
| |
| 14: ; preds = %4 |
| ret void |
| } |