CodeGen peephole: fold redundant phys reg copies

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

diff --git a/test/CodeGen/X86/tls-pic.ll b/test/CodeGen/X86/tls-pic.ll
index b83416d4b32b84af0b7074bd675c63cbe0890146..805bc25c17b626be3743963f742026284f74f788 100644 (file)
--- a/test/CodeGen/X86/tls-pic.ll
+++ b/test/CodeGen/X86/tls-pic.ll
@@ -2,18 +2,20 @@
 ; RUN: llc < %s -march=x86-64 -mtriple=x86_64-linux-gnu -relocation-model=pic | FileCheck -check-prefix=X64 %s
 
 @i = thread_local global i32 15
+@j = internal thread_local global i32 42
+@k = internal thread_local global i32 42
 
 define i32 @f1() {
 entry:
-       %tmp1 = load i32* @i
+       %tmp1 = load i32, i32* @i
        ret i32 %tmp1
 }
 
-; X32: f1:
+; X32-LABEL: f1:
 ; X32:   leal i@TLSGD(,%ebx), %eax
 ; X32:   calll ___tls_get_addr@PLT
 
-; X64: f1:
+; X64-LABEL: f1:
 ; X64:   leaq i@TLSGD(%rip), %rdi
 ; X64:   callq __tls_get_addr@PLT
 
@@ -25,11 +27,11 @@ entry:
        ret i32* @i
 }
 
-; X32: f2:
+; X32-LABEL: f2:
 ; X32:   leal i@TLSGD(,%ebx), %eax
 ; X32:   calll ___tls_get_addr@PLT
 
-; X64: f2:
+; X64-LABEL: f2:
 ; X64:   leaq i@TLSGD(%rip), %rdi
 ; X64:   callq __tls_get_addr@PLT
 
@@ -37,15 +39,15 @@ entry:
 
 define i32 @f3() {
 entry:
-       %tmp1 = load i32* @i            ; <i32> [#uses=1]
+       %tmp1 = load i32, i32* @i               ; <i32> [#uses=1]
        ret i32 %tmp1
 }
 
-; X32: f3:
+; X32-LABEL: f3:
 ; X32:   leal  i@TLSGD(,%ebx), %eax
 ; X32:   calll ___tls_get_addr@PLT
 
-; X64: f3:
+; X64-LABEL: f3:
 ; X64:   leaq i@TLSGD(%rip), %rdi
 ; X64:   callq __tls_get_addr@PLT
 
@@ -55,13 +57,31 @@ entry:
        ret i32* @i
 }
 
-; X32: f4:
+; X32-LABEL: f4:
 ; X32:   leal  i@TLSGD(,%ebx), %eax
 ; X32:   calll ___tls_get_addr@PLT
 
-; X64: f4:
+; X64-LABEL: f4:
 ; X64:   leaq i@TLSGD(%rip), %rdi
 ; X64:   callq __tls_get_addr@PLT
 
 
+define i32 @f5() nounwind {
+entry:
+       %0 = load i32, i32* @j, align 4
+       %1 = load i32, i32* @k, align 4
+       %add = add nsw i32 %0, %1
+       ret i32 %add
+}
 
+; X32-LABEL:    f5:
+; X32:      leal {{[jk]}}@TLSLDM(%ebx)
+; X32: calll ___tls_get_addr@PLT
+; X32: movl {{[jk]}}@DTPOFF(%e
+; X32: addl {{[jk]}}@DTPOFF(%e
+
+; X64-LABEL:    f5:
+; X64:      leaq {{[jk]}}@TLSLD(%rip), %rdi
+; X64: callq   __tls_get_addr@PLT
+; X64: movl {{[jk]}}@DTPOFF(%r
+; X64: addl {{[jk]}}@DTPOFF(%r