[llvm] r311980 - [NFC] Refactor ShadowIV test to use FileCheck
Max Kazantsev via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 28 22:20:56 PDT 2017
Author: mkazantsev
Date: Mon Aug 28 22:20:56 2017
New Revision: 311980
URL: http://llvm.org/viewvc/llvm-project?rev=311980&view=rev
Log:
[NFC] Refactor ShadowIV test to use FileCheck
Also get rid of unnamed values that make the test hard to read.
Modified:
llvm/trunk/test/Transforms/LoopStrengthReduce/X86/2008-08-14-ShadowIV.ll
Modified: llvm/trunk/test/Transforms/LoopStrengthReduce/X86/2008-08-14-ShadowIV.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopStrengthReduce/X86/2008-08-14-ShadowIV.ll?rev=311980&r1=311979&r2=311980&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopStrengthReduce/X86/2008-08-14-ShadowIV.ll (original)
+++ llvm/trunk/test/Transforms/LoopStrengthReduce/X86/2008-08-14-ShadowIV.ll Mon Aug 28 22:20:56 2017
@@ -1,24 +1,28 @@
-; RUN: opt < %s -loop-reduce -S -mtriple=x86_64-unknown-unknown | grep "phi double" | count 1
+; RUN: opt < %s -loop-reduce -S -mtriple=x86_64-unknown-unknown 2>&1 | FileCheck %s
; Provide legal integer types.
target datalayout = "n8:16:32:64"
define void @foobar(i32 %n) nounwind {
+
+; CHECK-LABEL: foobar(
+; CHECK: phi double
+
entry:
- icmp eq i32 %n, 0 ; <i1>:0 [#uses=2]
- br i1 %0, label %return, label %bb.nph
+ %cond = icmp eq i32 %n, 0 ; <i1>:0 [#uses=2]
+ br i1 %cond, label %return, label %bb.nph
bb.nph: ; preds = %entry
- %umax = select i1 %0, i32 1, i32 %n ; <i32> [#uses=1]
+ %umax = select i1 %cond, i32 1, i32 %n ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%i.03 = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
tail call void @bar( i32 %i.03 ) nounwind
- uitofp i32 %i.03 to double ; <double>:1 [#uses=1]
- tail call void @foo( double %1 ) nounwind
- %indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2]
+ %tmp1 = uitofp i32 %i.03 to double ; <double>:1 [#uses=1]
+ tail call void @foo( double %tmp1 ) nounwind
+ %indvar.next = add nsw nuw i32 %i.03, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, %umax ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
@@ -29,21 +33,26 @@ return: ; preds = %bb, %entry
; Unable to eliminate cast because the mantissa bits for double are not enough
; to hold all of i64 IV bits.
define void @foobar2(i64 %n) nounwind {
+
+; CHECK-LABEL: foobar2(
+; CHECK-NOT: phi double
+; CHECK-NOT: phi float
+
entry:
- icmp eq i64 %n, 0 ; <i1>:0 [#uses=2]
- br i1 %0, label %return, label %bb.nph
+ %cond = icmp eq i64 %n, 0 ; <i1>:0 [#uses=2]
+ br i1 %cond, label %return, label %bb.nph
bb.nph: ; preds = %entry
- %umax = select i1 %0, i64 1, i64 %n ; <i64> [#uses=1]
+ %umax = select i1 %cond, i64 1, i64 %n ; <i64> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%i.03 = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=3]
- trunc i64 %i.03 to i32 ; <i32>:1 [#uses=1]
- tail call void @bar( i32 %1 ) nounwind
- uitofp i64 %i.03 to double ; <double>:2 [#uses=1]
- tail call void @foo( double %2 ) nounwind
- %indvar.next = add i64 %i.03, 1 ; <i64> [#uses=2]
+ %tmp1 = trunc i64 %i.03 to i32 ; <i32>:1 [#uses=1]
+ tail call void @bar( i32 %tmp1 ) nounwind
+ %tmp2 = uitofp i64 %i.03 to double ; <double>:2 [#uses=1]
+ tail call void @foo( double %tmp2 ) nounwind
+ %indvar.next = add nsw nuw i64 %i.03, 1 ; <i64> [#uses=2]
%exitcond = icmp eq i64 %indvar.next, %umax ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
@@ -53,20 +62,25 @@ return: ; preds = %bb, %entry
; Unable to eliminate cast due to potentional overflow.
define void @foobar3() nounwind {
+
+; CHECK-LABEL: foobar3(
+; CHECK-NOT: phi double
+; CHECK-NOT: phi float
+
entry:
- tail call i32 (...) @nn( ) nounwind ; <i32>:0 [#uses=1]
- icmp eq i32 %0, 0 ; <i1>:1 [#uses=1]
- br i1 %1, label %return, label %bb
+ %tmp0 = tail call i32 (...) @nn( ) nounwind ; <i32>:0 [#uses=1]
+ %cond = icmp eq i32 %tmp0, 0 ; <i1>:1 [#uses=1]
+ br i1 %cond, label %return, label %bb
bb: ; preds = %bb, %entry
- %i.03 = phi i32 [ 0, %entry ], [ %3, %bb ] ; <i32> [#uses=3]
+ %i.03 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
tail call void @bar( i32 %i.03 ) nounwind
- uitofp i32 %i.03 to double ; <double>:2 [#uses=1]
- tail call void @foo( double %2 ) nounwind
- add i32 %i.03, 1 ; <i32>:3 [#uses=2]
- tail call i32 (...) @nn( ) nounwind ; <i32>:4 [#uses=1]
- icmp ugt i32 %4, %3 ; <i1>:5 [#uses=1]
- br i1 %5, label %bb, label %return
+ %tmp2 = uitofp i32 %i.03 to double ; <double>:2 [#uses=1]
+ tail call void @foo( double %tmp2 ) nounwind
+ %indvar.next = add nuw nsw i32 %i.03, 1 ; <i32>:3 [#uses=2]
+ %tmp4 = tail call i32 (...) @nn( ) nounwind ; <i32>:4 [#uses=1]
+ %exitcond = icmp ugt i32 %tmp4, %indvar.next ; <i1>:5 [#uses=1]
+ br i1 %exitcond, label %bb, label %return
return: ; preds = %bb, %entry
ret void
@@ -74,6 +88,11 @@ return: ; preds = %bb, %entry
; Unable to eliminate cast due to overflow.
define void @foobar4() nounwind {
+
+; CHECK-LABEL: foobar4(
+; CHECK-NOT: phi double
+; CHECK-NOT: phi float
+
entry:
br label %bb.nph
@@ -86,7 +105,7 @@ bb: ; preds = %bb, %bb.nph
tail call void @bar( i32 %tmp2 ) nounwind
%tmp3 = uitofp i8 %i.03 to double ; <double>:1 [#uses=1]
tail call void @foo( double %tmp3 ) nounwind
- %indvar.next = add i8 %i.03, 1 ; <i32> [#uses=2]
+ %indvar.next = add nsw nuw i8 %i.03, 1 ; <i32> [#uses=2]
%tmp = sext i8 %indvar.next to i32
%exitcond = icmp eq i32 %tmp, 32767 ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
@@ -100,4 +119,3 @@ declare void @bar(i32)
declare void @foo(double)
declare i32 @nn(...)
-
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