[llvm] 7effd37 - [SLP] add tests for 2-wide reductions; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 5 14:19:53 PST 2019
Author: Sanjay Patel
Date: 2019-11-05T17:18:37-05:00
New Revision: 7effd37b00d0bf1c660ae7d02c2068b93e37de18
URL: https://github.com/llvm/llvm-project/commit/7effd37b00d0bf1c660ae7d02c2068b93e37de18
DIFF: https://github.com/llvm/llvm-project/commit/7effd37b00d0bf1c660ae7d02c2068b93e37de18.diff
LOG: [SLP] add tests for 2-wide reductions; NFC
Added:
Modified:
llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll b/llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll
index 87a6af792f50..b5f433549274 100644
--- a/llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll
@@ -7,7 +7,8 @@ target triple = "i386-apple-macosx10.8.0"
define double @foo(double* nocapture %D) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: br label [[TMP1:%.*]]
-; CHECK: [[I_02:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[TMP12:%.*]], [[TMP1]] ]
+; CHECK: 1:
+; CHECK-NEXT: [[I_02:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[TMP12:%.*]], [[TMP1]] ]
; CHECK-NEXT: [[SUM_01:%.*]] = phi double [ 0.000000e+00, [[TMP0]] ], [ [[TMP11:%.*]], [[TMP1]] ]
; CHECK-NEXT: [[TMP2:%.*]] = shl nsw i32 [[I_02]], 1
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[D:%.*]], i32 [[TMP2]]
@@ -22,7 +23,8 @@ define double @foo(double* nocapture %D) {
; CHECK-NEXT: [[TMP12]] = add nsw i32 [[I_02]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TMP12]], 100
; CHECK-NEXT: br i1 [[EXITCOND]], label [[TMP13:%.*]], label [[TMP1]]
-; CHECK: ret double [[TMP11]]
+; CHECK: 13:
+; CHECK-NEXT: ret double [[TMP11]]
;
br label %1
@@ -49,3 +51,114 @@ define double @foo(double* nocapture %D) {
ret double %9
}
+define i1 @two_wide_fcmp_reduction(<2 x double> %a0) {
+; CHECK-LABEL: @two_wide_fcmp_reduction(
+; CHECK-NEXT: [[A:%.*]] = fcmp ogt <2 x double> [[A0:%.*]], <double 1.000000e+00, double 1.000000e+00>
+; CHECK-NEXT: [[B:%.*]] = extractelement <2 x i1> [[A]], i32 0
+; CHECK-NEXT: [[C:%.*]] = extractelement <2 x i1> [[A]], i32 1
+; CHECK-NEXT: [[D:%.*]] = and i1 [[B]], [[C]]
+; CHECK-NEXT: ret i1 [[D]]
+;
+ %a = fcmp ogt <2 x double> %a0, <double 1.0, double 1.0>
+ %b = extractelement <2 x i1> %a, i32 0
+ %c = extractelement <2 x i1> %a, i32 1
+ %d = and i1 %b, %c
+ ret i1 %d
+}
+
+define double @fadd_reduction(<2 x double> %a0) {
+; CHECK-LABEL: @fadd_reduction(
+; CHECK-NEXT: [[A:%.*]] = fadd fast <2 x double> [[A0:%.*]], <double 1.000000e+00, double 1.000000e+00>
+; CHECK-NEXT: [[B:%.*]] = extractelement <2 x double> [[A]], i32 0
+; CHECK-NEXT: [[C:%.*]] = extractelement <2 x double> [[A]], i32 1
+; CHECK-NEXT: [[D:%.*]] = fadd fast double [[B]], [[C]]
+; CHECK-NEXT: ret double [[D]]
+;
+ %a = fadd fast <2 x double> %a0, <double 1.000000e+00, double 1.000000e+00>
+ %b = extractelement <2 x double> %a, i32 0
+ %c = extractelement <2 x double> %a, i32 1
+ %d = fadd fast double %b, %c
+ ret double %d
+}
+
+; PR43745 https://bugs.llvm.org/show_bug.cgi?id=43745
+
+define i1 @fcmp_lt_gt(double %a, double %b, double %c) {
+; CHECK-LABEL: @fcmp_lt_gt(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[FNEG:%.*]] = fneg double [[B:%.*]]
+; CHECK-NEXT: [[MUL:%.*]] = fmul double [[A:%.*]], 2.000000e+00
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> undef, double [[FNEG]], i32 0
+; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[C:%.*]], i32 1
+; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> undef, double [[C]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> [[TMP2]], double [[B]], i32 1
+; CHECK-NEXT: [[TMP4:%.*]] = fsub <2 x double> [[TMP1]], [[TMP3]]
+; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x double> undef, double [[MUL]], i32 0
+; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x double> [[TMP5]], double [[MUL]], i32 1
+; CHECK-NEXT: [[TMP7:%.*]] = fdiv <2 x double> [[TMP4]], [[TMP6]]
+; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP7]], i32 1
+; CHECK-NEXT: [[CMP:%.*]] = fcmp olt double [[TMP8]], 0x3EB0C6F7A0B5ED8D
+; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP7]], i32 0
+; CHECK-NEXT: [[CMP4:%.*]] = fcmp olt double [[TMP9]], 0x3EB0C6F7A0B5ED8D
+; CHECK-NEXT: [[OR_COND:%.*]] = and i1 [[CMP]], [[CMP4]]
+; CHECK-NEXT: br i1 [[OR_COND]], label [[CLEANUP:%.*]], label [[LOR_LHS_FALSE:%.*]]
+; CHECK: lor.lhs.false:
+; CHECK-NEXT: [[TMP10:%.*]] = fcmp ule <2 x double> [[TMP7]], <double 1.000000e+00, double 1.000000e+00>
+; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i1> [[TMP10]], i32 0
+; CHECK-NEXT: [[TMP12:%.*]] = extractelement <2 x i1> [[TMP10]], i32 1
+; CHECK-NEXT: [[NOT_OR_COND9:%.*]] = or i1 [[TMP11]], [[TMP12]]
+; CHECK-NEXT: ret i1 [[NOT_OR_COND9]]
+; CHECK: cleanup:
+; CHECK-NEXT: ret i1 false
+;
+entry:
+ %fneg = fneg double %b
+ %add = fsub double %c, %b
+ %mul = fmul double %a, 2.000000e+00
+ %div = fdiv double %add, %mul
+ %sub = fsub double %fneg, %c
+ %div3 = fdiv double %sub, %mul
+ %cmp = fcmp olt double %div, 0x3EB0C6F7A0B5ED8D
+ %cmp4 = fcmp olt double %div3, 0x3EB0C6F7A0B5ED8D
+ %or.cond = and i1 %cmp, %cmp4
+ br i1 %or.cond, label %cleanup, label %lor.lhs.false
+
+lor.lhs.false:
+ %cmp5 = fcmp ule double %div, 1.000000e+00
+ %cmp7 = fcmp ule double %div3, 1.000000e+00
+ %not.or.cond9 = or i1 %cmp7, %cmp5
+ ret i1 %not.or.cond9
+
+cleanup:
+ ret i1 false
+}
+
+define i1 @fcmp_lt(double %a, double %b, double %c) {
+; CHECK-LABEL: @fcmp_lt(
+; CHECK-NEXT: [[FNEG:%.*]] = fneg double [[B:%.*]]
+; CHECK-NEXT: [[MUL:%.*]] = fmul double [[A:%.*]], 2.000000e+00
+; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> undef, double [[FNEG]], i32 0
+; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[C:%.*]], i32 1
+; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> undef, double [[C]], i32 0
+; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> [[TMP3]], double [[B]], i32 1
+; CHECK-NEXT: [[TMP5:%.*]] = fsub <2 x double> [[TMP2]], [[TMP4]]
+; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x double> undef, double [[MUL]], i32 0
+; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x double> [[TMP6]], double [[MUL]], i32 1
+; CHECK-NEXT: [[TMP8:%.*]] = fdiv <2 x double> [[TMP5]], [[TMP7]]
+; CHECK-NEXT: [[TMP9:%.*]] = fcmp uge <2 x double> [[TMP8]], <double 0x3EB0C6F7A0B5ED8D, double 0x3EB0C6F7A0B5ED8D>
+; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i1> [[TMP9]], i32 0
+; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i1> [[TMP9]], i32 1
+; CHECK-NEXT: [[NOT_OR_COND:%.*]] = or i1 [[TMP10]], [[TMP11]]
+; CHECK-NEXT: ret i1 [[NOT_OR_COND]]
+;
+ %fneg = fneg double %b
+ %add = fsub double %c, %b
+ %mul = fmul double %a, 2.000000e+00
+ %div = fdiv double %add, %mul
+ %sub = fsub double %fneg, %c
+ %div3 = fdiv double %sub, %mul
+ %cmp = fcmp uge double %div, 0x3EB0C6F7A0B5ED8D
+ %cmp4 = fcmp uge double %div3, 0x3EB0C6F7A0B5ED8D
+ %not.or.cond = or i1 %cmp4, %cmp
+ ret i1 %not.or.cond
+}
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