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[SLP] move test for min/max crashing; NFC 

This was originally just an XFAIL test, but I modified it
to check output. To make that bot-friendly, I'm moving it
to the x86 dir since it specified an x86 target.
This commit is contained in:
Sanjay Patel 2021-03-26 10:26:24 -04:00
parent 6e46f0b628
commit 3f6e7d1550
2 changed files with 41 additions and 53 deletions
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41
llvm/test/Transforms/SLPVectorizer/X86/horizontal-minmax.ll
View File

@ -13,6 +13,8 @@ declare i32 @llvm.smax.i32(i32, i32)
declare i16 @llvm.smin.i16(i16, i16)
declare i64 @llvm.umax.i64(i64, i64)
declare i8 @llvm.umin.i8(i8, i8)
declare i32 @llvm.smin.i32(i32, i32)
declare i32 @llvm.umin.i32(i32, i32)
define i32 @maxi8(i32) {
; CHECK-LABEL: @maxi8(
@ -1234,3 +1236,42 @@ define i8 @umin_intrinsic_rdx_v16i8(i8* %p0) {
%m = tail call i8 @llvm.umin.i8(i8 %mh, i8 %ml)
ret i8 %m
}
; This should not crash.
define void @PR49730() {
; CHECK-LABEL: @PR49730(
; CHECK-NEXT: [[T:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 2)
; CHECK-NEXT: [[T1:%.*]] = sub nsw i32 undef, [[T]]
; CHECK-NEXT: [[T2:%.*]] = call i32 @llvm.umin.i32(i32 undef, i32 [[T1]])
; CHECK-NEXT: [[T3:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 2)
; CHECK-NEXT: [[T4:%.*]] = sub nsw i32 undef, [[T3]]
; CHECK-NEXT: [[T5:%.*]] = call i32 @llvm.umin.i32(i32 [[T2]], i32 [[T4]])
; CHECK-NEXT: [[T6:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 1)
; CHECK-NEXT: [[T7:%.*]] = sub nuw nsw i32 undef, [[T6]]
; CHECK-NEXT: [[T8:%.*]] = call i32 @llvm.umin.i32(i32 [[T5]], i32 [[T7]])
; CHECK-NEXT: [[T9:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 1)
; CHECK-NEXT: [[T10:%.*]] = sub nsw i32 undef, [[T9]]
; CHECK-NEXT: [[T11:%.*]] = call i32 @llvm.umin.i32(i32 [[T8]], i32 [[T10]])
; CHECK-NEXT: [[T12:%.*]] = sub nsw i32 undef, undef
; CHECK-NEXT: [[T13:%.*]] = call i32 @llvm.umin.i32(i32 [[T11]], i32 [[T12]])
; CHECK-NEXT: [[T14:%.*]] = call i32 @llvm.umin.i32(i32 [[T13]], i32 93)
; CHECK-NEXT: ret void
;
%t = call i32 @llvm.smin.i32(i32 undef, i32 2)
%t1 = sub nsw i32 undef, %t
%t2 = call i32 @llvm.umin.i32(i32 undef, i32 %t1)
%t3 = call i32 @llvm.smin.i32(i32 undef, i32 2)
%t4 = sub nsw i32 undef, %t3
%t5 = call i32 @llvm.umin.i32(i32 %t2, i32 %t4)
%t6 = call i32 @llvm.smin.i32(i32 undef, i32 1)
%t7 = sub nuw nsw i32 undef, %t6
%t8 = call i32 @llvm.umin.i32(i32 %t5, i32 %t7)
%t9 = call i32 @llvm.smin.i32(i32 undef, i32 1)
%t10 = sub nsw i32 undef, %t9
%t11 = call i32 @llvm.umin.i32(i32 %t8, i32 %t10)
%t12 = sub nsw i32 undef, undef
%t13 = call i32 @llvm.umin.i32(i32 %t11, i32 %t12)
%t14 = call i32 @llvm.umin.i32(i32 %t13, i32 93)
ret void
}

53
llvm/test/Transforms/SLPVectorizer/pr49730.ll
View File

@ -1,53 +0,0 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -slp-vectorizer -S < %s | FileCheck %s
; RUN: opt -passes=slp-vectorizer -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"
; This should not crash.
define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[T:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 2)
; CHECK-NEXT: [[T1:%.*]] = sub nsw i32 undef, [[T]]
; CHECK-NEXT: [[T2:%.*]] = call i32 @llvm.umin.i32(i32 undef, i32 [[T1]])
; CHECK-NEXT: [[T3:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 2)
; CHECK-NEXT: [[T4:%.*]] = sub nsw i32 undef, [[T3]]
; CHECK-NEXT: [[T5:%.*]] = call i32 @llvm.umin.i32(i32 [[T2]], i32 [[T4]])
; CHECK-NEXT: [[T6:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 1)
; CHECK-NEXT: [[T7:%.*]] = sub nuw nsw i32 undef, [[T6]]
; CHECK-NEXT: [[T8:%.*]] = call i32 @llvm.umin.i32(i32 [[T5]], i32 [[T7]])
; CHECK-NEXT: [[T9:%.*]] = call i32 @llvm.smin.i32(i32 undef, i32 1)
; CHECK-NEXT: [[T10:%.*]] = sub nsw i32 undef, [[T9]]
; CHECK-NEXT: [[T11:%.*]] = call i32 @llvm.umin.i32(i32 [[T8]], i32 [[T10]])
; CHECK-NEXT: [[T12:%.*]] = sub nsw i32 undef, undef
; CHECK-NEXT: [[T13:%.*]] = call i32 @llvm.umin.i32(i32 [[T11]], i32 [[T12]])
; CHECK-NEXT: [[T14:%.*]] = call i32 @llvm.umin.i32(i32 [[T13]], i32 93)
; CHECK-NEXT: ret void
;
bb:
%t = call i32 @llvm.smin.i32(i32 undef, i32 2)
%t1 = sub nsw i32 undef, %t
%t2 = call i32 @llvm.umin.i32(i32 undef, i32 %t1)
%t3 = call i32 @llvm.smin.i32(i32 undef, i32 2)
%t4 = sub nsw i32 undef, %t3
%t5 = call i32 @llvm.umin.i32(i32 %t2, i32 %t4)
%t6 = call i32 @llvm.smin.i32(i32 undef, i32 1)
%t7 = sub nuw nsw i32 undef, %t6
%t8 = call i32 @llvm.umin.i32(i32 %t5, i32 %t7)
%t9 = call i32 @llvm.smin.i32(i32 undef, i32 1)
%t10 = sub nsw i32 undef, %t9
%t11 = call i32 @llvm.umin.i32(i32 %t8, i32 %t10)
%t12 = sub nsw i32 undef, undef
%t13 = call i32 @llvm.umin.i32(i32 %t11, i32 %t12)
%t14 = call i32 @llvm.umin.i32(i32 %t13, i32 93)
ret void
}
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
declare i32 @llvm.smin.i32(i32, i32)
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
declare i32 @llvm.umin.i32(i32, i32)