Add a priority queue class, which is a wrapper around std::priority_queue

[oota-llvm.git] / test / Transforms / InstCombine / bswap-fold.ll

diff --git a/test/Transforms/InstCombine/bswap-fold.ll b/test/Transforms/InstCombine/bswap-fold.ll
index 1552386db1f086eb148b539ac641fb17f9466e31..87d8b0496d266f9627d83dcfdb4d9b13984da9c7 100644 (file)
--- a/test/Transforms/InstCombine/bswap-fold.ll
+++ b/test/Transforms/InstCombine/bswap-fold.ll
@@ -1,28 +1,52 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
-; RUN:   grep ret | wc -l | grep 3
-; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
-; RUN:   not grep call.*bswap
-
-bool %test1(ushort %tmp2) {
-       %tmp10 = call ushort %llvm.bswap.i16( ushort %tmp2 )            
-       %tmp = seteq ushort %tmp10, 1           
-       ret bool %tmp
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep ret | count 6
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep call.*bswap
+
+define i1 @test1(i16 %tmp2) {
+        %tmp10 = call i16 @llvm.bswap.i16( i16 %tmp2 )          ; <i16> [#uses=1]
+        %tmp = icmp eq i16 %tmp10, 1            ; <i1> [#uses=1]
+        ret i1 %tmp
+}
+
+define i1 @test2(i32 %tmp) {
+        %tmp34 = tail call i32 @llvm.bswap.i32( i32 %tmp )              ; <i32> [#uses=1]
+        %tmp.upgrd.1 = icmp eq i32 %tmp34, 1            ; <i1> [#uses=1]
+        ret i1 %tmp.upgrd.1
 }
 
-bool %test2(uint %tmp) {
-       %tmp34 = tail call uint %llvm.bswap.i32( uint %tmp )            
-       %tmp = seteq uint %tmp34, 1             
-       ret bool %tmp
+declare i32 @llvm.bswap.i32(i32)
+
+define i1 @test3(i64 %tmp) {
+        %tmp34 = tail call i64 @llvm.bswap.i64( i64 %tmp )              ; <i64> [#uses=1]
+        %tmp.upgrd.2 = icmp eq i64 %tmp34, 1            ; <i1> [#uses=1]
+        ret i1 %tmp.upgrd.2
 }
 
-declare uint %llvm.bswap.i32(uint)
+declare i64 @llvm.bswap.i64(i64)
 
-bool %test3(ulong %tmp) {
-       %tmp34 = tail call ulong %llvm.bswap.i64( ulong %tmp )          
-       %tmp = seteq ulong %tmp34, 1            
-       ret bool %tmp
+declare i16 @llvm.bswap.i16(i16)
+
+; rdar://5992453
+; A & 255
+define i32 @test4(i32 %a) nounwind  {
+entry:
+       %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a ) 
+       %tmp4 = lshr i32 %tmp2, 24
+       ret i32 %tmp4
+}
+
+; A
+define i32 @test5(i32 %a) nounwind  {
+entry:
+       %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
+       %tmp4 = tail call i32 @llvm.bswap.i32( i32 %tmp2 )
+       ret i32 %tmp4
 }
 
-declare ulong %llvm.bswap.i64(ulong)
+; a >> 24
+define i32 @test6(i32 %a) nounwind  {
+entry:
+       %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a ) 
+       %tmp4 = and i32 %tmp2, 255
+       ret i32 %tmp4
+}
 
-declare ushort %llvm.bswap.i16(ushort)