From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 3 Feb 2017 20:19:33 +0000 (+0000)
Subject: [InstCombine] auto-generate better test checks; NFC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=48521a9c53e0aa11475cec3076a4aef4e2194799;p=llvm

[InstCombine] auto-generate better test checks; NFC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294034 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/bswap-fold.ll b/test/Transforms/InstCombine/bswap-fold.ll
index edf9572f1e1..91678a91962 100644
--- a/test/Transforms/InstCombine/bswap-fold.ll
+++ b/test/Transforms/InstCombine/bswap-fold.ll
@@ -1,68 +1,75 @@
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 
-define i1 @test1(i16 %tmp2) {
-; CHECK-LABEL: @test1
-; CHECK-NEXT:  %tmp = icmp eq i16 %tmp2, 256
-; CHECK-NEXT:  ret i1 %tmp
-        %tmp10 = call i16 @llvm.bswap.i16( i16 %tmp2 )
-        %tmp = icmp eq i16 %tmp10, 1
-        ret i1 %tmp
+define i1 @test1(i16 %t) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i16 %t, 256
+; CHECK-NEXT:    ret i1 [[TMP2]]
+;
+  %tmp1 = call i16 @llvm.bswap.i16( i16 %t )
+  %tmp2 = icmp eq i16 %tmp1, 1
+  ret i1 %tmp2
 }
 
 define i1 @test2(i32 %tmp) {
-; CHECK-LABEL: @test2
-; CHECK-NEXT:  %tmp.upgrd.1 = icmp eq i32 %tmp, 16777216
-; CHECK-NEXT:  ret i1 %tmp.upgrd.1
-        %tmp34 = tail call i32 @llvm.bswap.i32( i32 %tmp )
-        %tmp.upgrd.1 = icmp eq i32 %tmp34, 1
-        ret i1 %tmp.upgrd.1
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:    [[TMP_UPGRD_1:%.*]] = icmp eq i32 %tmp, 16777216
+; CHECK-NEXT:    ret i1 [[TMP_UPGRD_1]]
+;
+  %tmp34 = tail call i32 @llvm.bswap.i32( i32 %tmp )
+  %tmp.upgrd.1 = icmp eq i32 %tmp34, 1
+  ret i1 %tmp.upgrd.1
 }
 
 define i1 @test3(i64 %tmp) {
-; CHECK-LABEL: @test3
-; CHECK-NEXT:  %tmp.upgrd.2 = icmp eq i64 %tmp, 72057594037927936
-; CHECK-NEXT:  ret i1 %tmp.upgrd.2
-        %tmp34 = tail call i64 @llvm.bswap.i64( i64 %tmp )
-        %tmp.upgrd.2 = icmp eq i64 %tmp34, 1
-        ret i1 %tmp.upgrd.2
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:    [[TMP_UPGRD_2:%.*]] = icmp eq i64 %tmp, 72057594037927936
+; CHECK-NEXT:    ret i1 [[TMP_UPGRD_2]]
+;
+  %tmp34 = tail call i64 @llvm.bswap.i64( i64 %tmp )
+  %tmp.upgrd.2 = icmp eq i64 %tmp34, 1
+  ret i1 %tmp.upgrd.2
 }
 
 ; rdar://5992453
 ; A & 255
 define i32 @test4(i32 %a) nounwind  {
-; CHECK-LABEL: @test4
-; CHECK-NEXT:  %tmp2 = and i32 %a, 255
-; CHECK-NEXT:  ret i32 %tmp2
-	%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
-	%tmp4 = lshr i32 %tmp2, 24
-	ret i32 %tmp4
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:    [[TMP2:%.*]] = and i32 %a, 255
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
+  %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
+  %tmp4 = lshr i32 %tmp2, 24
+  ret i32 %tmp4
 }
 
 ; A
 define i32 @test5(i32 %a) nounwind {
-; CHECK-LABEL: @test5
-; CHECK-NEXT:  ret i32 %a
-	%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
-	%tmp4 = tail call i32 @llvm.bswap.i32( i32 %tmp2 )
-	ret i32 %tmp4
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    ret i32 %a
+;
+  %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
+  %tmp4 = tail call i32 @llvm.bswap.i32( i32 %tmp2 )
+  ret i32 %tmp4
 }
 
 ; a >> 24
 define i32 @test6(i32 %a) nounwind {
-; CHECK-LABEL: @test6
-; CHECK-NEXT:  %tmp2 = lshr i32 %a, 24
-; CHECK-NEXT:  ret i32 %tmp2
-	%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
-	%tmp4 = and i32 %tmp2, 255
-	ret i32 %tmp4
+; CHECK-LABEL: @test6(
+; CHECK-NEXT:    [[TMP2:%.*]] = lshr i32 %a, 24
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
+  %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
+  %tmp4 = and i32 %tmp2, 255
+  ret i32 %tmp4
 }
 
 ; PR5284
 define i16 @test7(i32 %A) {
-; CHECK-LABEL: @test7
-; CHECK-NEXT:  %1 = lshr i32 %A, 16
-; CHECK-NEXT:  %D = trunc i32 %1 to i16
-; CHECK-NEXT:  ret i16 %D
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:    [[TMP1:%.*]] = lshr i32 %A, 16
+; CHECK-NEXT:    [[D:%.*]] = trunc i32 [[TMP1]] to i16
+; CHECK-NEXT:    ret i16 [[D]]
+;
   %B = tail call i32 @llvm.bswap.i32(i32 %A) nounwind
   %C = trunc i32 %B to i16
   %D = tail call i16 @llvm.bswap.i16(i16 %C) nounwind
@@ -70,11 +77,12 @@ define i16 @test7(i32 %A) {
 }
 
 define i16 @test8(i64 %A) {
-; CHECK-LABEL: @test8
-; CHECK-NEXT:  %1 = lshr i64 %A, 48
-; CHECK-NEXT:  %D = trunc i64 %1 to i16
-; CHECK-NEXT:  ret i16 %D
-  %B = tail call i64 @llvm.bswap.i64(i64 %A) nounwind 
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:    [[TMP1:%.*]] = lshr i64 %A, 48
+; CHECK-NEXT:    [[D:%.*]] = trunc i64 [[TMP1]] to i16
+; CHECK-NEXT:    ret i16 [[D]]
+;
+  %B = tail call i64 @llvm.bswap.i64(i64 %A) nounwind
   %C = trunc i64 %B to i16
   %D = tail call i16 @llvm.bswap.i16(i16 %C) nounwind
   ret i16 %D
@@ -82,8 +90,9 @@ define i16 @test8(i64 %A) {
 
 ; Misc: Fold bswap(undef) to undef.
 define i64 @foo() {
-; CHECK-LABEL: @foo
-; CHECK-NEXT: ret i64 undef
+; CHECK-LABEL: @foo(
+; CHECK-NEXT:    ret i64 undef
+;
   %a = call i64 @llvm.bswap.i64(i64 undef)
   ret i64 %a
 }
@@ -92,20 +101,22 @@ define i64 @foo() {
 ; Fold: OP( BSWAP(x), BSWAP(y) ) -> BSWAP( OP(x, y) )
 ; Fold: OP( BSWAP(x), CONSTANT ) -> BSWAP( OP(x, BSWAP(CONSTANT) ) )
 define i16 @bs_and16i(i16 %a, i16 %b) #0 {
-; CHECK-LABEL: @bs_and16i
-; CHECK-NEXT:  %1 = and i16 %a, 4391
-; CHECK-NEXT:  %2 = call i16 @llvm.bswap.i16(i16 %1)
-; CHECK-NEXT:  ret i16 %2
+; CHECK-LABEL: @bs_and16i(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i16 %a, 4391
+; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP1]])
+; CHECK-NEXT:    ret i16 [[TMP2]]
+;
   %1 = tail call i16 @llvm.bswap.i16(i16 %a)
   %2 = and i16 %1, 10001
   ret i16 %2
 }
 
 define i16 @bs_and16(i16 %a, i16 %b) #0 {
-; CHECK-LABEL: @bs_and16
-; CHECK-NEXT:  %1 = and i16 %a, %b
-; CHECK-NEXT:  %2 = call i16 @llvm.bswap.i16(i16 %1)
-; CHECK-NEXT:  ret i16 %2
+; CHECK-LABEL: @bs_and16(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i16 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP1]])
+; CHECK-NEXT:    ret i16 [[TMP2]]
+;
   %tmp1 = tail call i16 @llvm.bswap.i16(i16 %a)
   %tmp2 = tail call i16 @llvm.bswap.i16(i16 %b)
   %tmp3 = and i16 %tmp1, %tmp2
@@ -113,10 +124,11 @@ define i16 @bs_and16(i16 %a, i16 %b) #0 {
 }
 
 define i16 @bs_or16(i16 %a, i16 %b) #0 {
-; CHECK-LABEL: @bs_or16
-; CHECK-NEXT:  %1 = or i16 %a, %b
-; CHECK-NEXT:  %2 = call i16 @llvm.bswap.i16(i16 %1)
-; CHECK-NEXT:  ret i16 %2
+; CHECK-LABEL: @bs_or16(
+; CHECK-NEXT:    [[TMP1:%.*]] = or i16 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP1]])
+; CHECK-NEXT:    ret i16 [[TMP2]]
+;
   %tmp1 = tail call i16 @llvm.bswap.i16(i16 %a)
   %tmp2 = tail call i16 @llvm.bswap.i16(i16 %b)
   %tmp3 = or i16 %tmp1, %tmp2
@@ -124,10 +136,11 @@ define i16 @bs_or16(i16 %a, i16 %b) #0 {
 }
 
 define i16 @bs_xor16(i16 %a, i16 %b) #0 {
-; CHECK-LABEL: @bs_xor16
-; CHECK-NEXT:  %1 = xor i16 %a, %b
-; CHECK-NEXT:  %2 = call i16 @llvm.bswap.i16(i16 %1)
-; CHECK-NEXT:  ret i16 %2
+; CHECK-LABEL: @bs_xor16(
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i16 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP1]])
+; CHECK-NEXT:    ret i16 [[TMP2]]
+;
   %tmp1 = tail call i16 @llvm.bswap.i16(i16 %a)
   %tmp2 = tail call i16 @llvm.bswap.i16(i16 %b)
   %tmp3 = xor i16 %tmp1, %tmp2
@@ -135,20 +148,22 @@ define i16 @bs_xor16(i16 %a, i16 %b) #0 {
 }
 
 define i32 @bs_and32i(i32 %a, i32 %b) #0 {
-; CHECK-LABEL: @bs_and32i
-; CHECK-NEXT:  %1 = and i32 %a, -1585053440
-; CHECK-NEXT:  %2 = call i32 @llvm.bswap.i32(i32 %1)
-; CHECK-NEXT:  ret i32 %2
+; CHECK-LABEL: @bs_and32i(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -1585053440
+; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP1]])
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
   %tmp1 = tail call i32 @llvm.bswap.i32(i32 %a)
   %tmp2 = and i32 %tmp1, 100001
   ret i32 %tmp2
 }
 
 define i32 @bs_and32(i32 %a, i32 %b) #0 {
-; CHECK-LABEL: @bs_and32
-; CHECK-NEXT:  %1 = and i32 %a, %b
-; CHECK-NEXT:  %2 = call i32 @llvm.bswap.i32(i32 %1)
-; CHECK-NEXT:  ret i32 %2
+; CHECK-LABEL: @bs_and32(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP1]])
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
   %tmp1 = tail call i32 @llvm.bswap.i32(i32 %a)
   %tmp2 = tail call i32 @llvm.bswap.i32(i32 %b)
   %tmp3 = and i32 %tmp1, %tmp2
@@ -156,10 +171,11 @@ define i32 @bs_and32(i32 %a, i32 %b) #0 {
 }
 
 define i32 @bs_or32(i32 %a, i32 %b) #0 {
-; CHECK-LABEL: @bs_or32
-; CHECK-NEXT:  %1 = or i32 %a, %b
-; CHECK-NEXT:  %2 = call i32 @llvm.bswap.i32(i32 %1)
-; CHECK-NEXT:  ret i32 %2
+; CHECK-LABEL: @bs_or32(
+; CHECK-NEXT:    [[TMP1:%.*]] = or i32 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP1]])
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
   %tmp1 = tail call i32 @llvm.bswap.i32(i32 %a)
   %tmp2 = tail call i32 @llvm.bswap.i32(i32 %b)
   %tmp3 = or i32 %tmp1, %tmp2
@@ -167,10 +183,11 @@ define i32 @bs_or32(i32 %a, i32 %b) #0 {
 }
 
 define i32 @bs_xor32(i32 %a, i32 %b) #0 {
-; CHECK-LABEL: @bs_xor32
-; CHECK-NEXT:  %1 = xor i32 %a, %b
-; CHECK-NEXT:  %2 = call i32 @llvm.bswap.i32(i32 %1)
-; CHECK-NEXT:  ret i32 %2
+; CHECK-LABEL: @bs_xor32(
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP1]])
+; CHECK-NEXT:    ret i32 [[TMP2]]
+;
   %tmp1 = tail call i32 @llvm.bswap.i32(i32 %a)
   %tmp2 = tail call i32 @llvm.bswap.i32(i32 %b)
   %tmp3 = xor i32 %tmp1, %tmp2
@@ -178,20 +195,22 @@ define i32 @bs_xor32(i32 %a, i32 %b) #0 {
 }
 
 define i64 @bs_and64i(i64 %a, i64 %b) #0 {
-; CHECK-LABEL: @bs_and64i
-; CHECK-NEXT:  %1 = and i64 %a, 129085117527228416
-; CHECK-NEXT:  %2 = call i64 @llvm.bswap.i64(i64 %1)
-; CHECK-NEXT:  ret i64 %2
+; CHECK-LABEL: @bs_and64i(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i64 %a, 129085117527228416
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
+; CHECK-NEXT:    ret i64 [[TMP2]]
+;
   %tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
   %tmp2 = and i64 %tmp1, 1000000001
   ret i64 %tmp2
 }
 
 define i64 @bs_and64(i64 %a, i64 %b) #0 {
-; CHECK-LABEL: @bs_and64
-; CHECK-NEXT:  %1 = and i64 %a, %b
-; CHECK-NEXT:  %2 = call i64 @llvm.bswap.i64(i64 %1)
-; CHECK-NEXT:  ret i64 %2
+; CHECK-LABEL: @bs_and64(
+; CHECK-NEXT:    [[TMP1:%.*]] = and i64 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
+; CHECK-NEXT:    ret i64 [[TMP2]]
+;
   %tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
   %tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
   %tmp3 = and i64 %tmp1, %tmp2
@@ -199,10 +218,11 @@ define i64 @bs_and64(i64 %a, i64 %b) #0 {
 }
 
 define i64 @bs_or64(i64 %a, i64 %b) #0 {
-; CHECK-LABEL: @bs_or64
-; CHECK-NEXT:  %1 = or i64 %a, %b
-; CHECK-NEXT:  %2 = call i64 @llvm.bswap.i64(i64 %1)
-; CHECK-NEXT:  ret i64 %2
+; CHECK-LABEL: @bs_or64(
+; CHECK-NEXT:    [[TMP1:%.*]] = or i64 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
+; CHECK-NEXT:    ret i64 [[TMP2]]
+;
   %tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
   %tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
   %tmp3 = or i64 %tmp1, %tmp2
@@ -210,10 +230,11 @@ define i64 @bs_or64(i64 %a, i64 %b) #0 {
 }
 
 define i64 @bs_xor64(i64 %a, i64 %b) #0 {
-; CHECK-LABEL: @bs_xor64
-; CHECK-NEXT:  %1 = xor i64 %a, %b
-; CHECK-NEXT:  %2 = call i64 @llvm.bswap.i64(i64 %1)
-; CHECK-NEXT:  ret i64 %2
+; CHECK-LABEL: @bs_xor64(
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i64 %a, %b
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP1]])
+; CHECK-NEXT:    ret i64 [[TMP2]]
+;
   %tmp1 = tail call i64 @llvm.bswap.i64(i64 %a)
   %tmp2 = tail call i64 @llvm.bswap.i64(i64 %b)
   %tmp3 = xor i64 %tmp1, %tmp2