CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / memcmp.ll

diff --git a/test/CodeGen/X86/memcmp.ll b/test/CodeGen/X86/memcmp.ll
index 36be1f308ccd5f8b40f1bc4745630f150c04e217..e5f1f526b467f47d0db1cac7089898aa7cc8235b 100644 (file)
--- a/test/CodeGen/X86/memcmp.ll
+++ b/test/CodeGen/X86/memcmp.ll
@@ -1,4 +1,6 @@
-; RUN: llc %s -o - -march=x86-64 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
+; RUN: llc < %s -disable-simplify-libcalls -mtriple=x86_64-linux | FileCheck %s --check-prefix=NOBUILTIN
+; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
 
 ; This tests codegen time inlining/optimization of memcmp
 ; rdar://6480398
@@ -9,7 +11,7 @@ declare i32 @memcmp(...)
 
 define void @memcmp2(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* %Y, i32 2) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 2) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -19,14 +21,17 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp2:
-; CHECK: movw    (%rdi), %ax
-; CHECK: cmpw    (%rsi), %ax
+; CHECK-LABEL: memcmp2:
+; CHECK: movzwl
+; CHECK-NEXT: movzwl
+; CHECK-NEXT: cmpl
+; NOBUILTIN-LABEL: memcmp2:
+; NOBUILTIN: callq
 }
 
 define void @memcmp2a(i8* %X, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8]* @.str, i32 0, i32 1), i32 2) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 2) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -36,14 +41,15 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp2a:
-; CHECK: cmpw    $28527, (%rdi)
+; CHECK-LABEL: memcmp2a:
+; CHECK: movzwl
+; CHECK-NEXT: cmpl    $28527,
 }
 
 
 define void @memcmp4(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* %Y, i32 4) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 4) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -53,14 +59,14 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp4:
-; CHECK: movl    (%rdi), %eax
-; CHECK: cmpl    (%rsi), %eax
+; CHECK-LABEL: memcmp4:
+; CHECK: movl
+; CHECK-NEXT: cmpl
 }
 
 define void @memcmp4a(i8* %X, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8]* @.str, i32 0, i32 1), i32 4) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 1), i32 4) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -70,13 +76,13 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp4a:
-; CHECK: cmpl $1869573999, (%rdi)
+; CHECK-LABEL: memcmp4a:
+; CHECK: cmpl $1869573999,
 }
 
 define void @memcmp8(i8* %X, i8* %Y, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* %Y, i32 8) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* %Y, i32 8) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -86,14 +92,14 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp8:
-; CHECK: movq    (%rdi), %rax
-; CHECK: cmpq    (%rsi), %rax
+; CHECK-LABEL: memcmp8:
+; CHECK: movq
+; CHECK: cmpq
 }
 
 define void @memcmp8a(i8* %X, i32* nocapture %P) nounwind {
 entry:
-  %0 = tail call i32 (...)* @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8]* @.str, i32 0, i32 0), i32 8) nounwind ; <i32> [#uses=1]
+  %0 = tail call i32 (...) @memcmp(i8* %X, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0), i32 8) nounwind ; <i32> [#uses=1]
   %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
   br i1 %1, label %return, label %bb
 
@@ -103,8 +109,8 @@ bb:                                               ; preds = %entry
 
 return:                                           ; preds = %entry
   ret void
-; CHECK: memcmp8a:
-; CHECK: movabsq $8029759185026510694, %rax
-; CHECK: cmpq  %rax, (%rdi)
+; CHECK-LABEL: memcmp8a:
+; CHECK: movabsq $8029759185026510694,
+; CHECK: cmpq
 }