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| author | Evan Cheng <evan.cheng@apple.com> | 2010-03-14 03:48:46 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-03-14 03:48:46 +0000 |
| commit | f48ef0365545b6160836e3f4b4a210d1e21f1881 (patch) | |
| tree | d4abbce3e4424bcadf287258859931d64cc7a8f4 /test/CodeGen/X86/tailcall-largecode.ll | |
| parent | d3da36286f9ffe6951abec67b82837e432c858cf (diff) | |
| download | external_llvm-f48ef0365545b6160836e3f4b4a210d1e21f1881.zip external_llvm-f48ef0365545b6160836e3f4b4a210d1e21f1881.tar.gz external_llvm-f48ef0365545b6160836e3f4b4a210d1e21f1881.tar.bz2 | |
Do not force indirect tailcall through fixed registers: eax, r11. Add support to allow loads to be folded to tail call instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/tailcall-largecode.ll')
| -rw-r--r-- | test/CodeGen/X86/tailcall-largecode.ll | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/test/CodeGen/X86/tailcall-largecode.ll b/test/CodeGen/X86/tailcall-largecode.ll index 8ddc405..c7070f2 100644 --- a/test/CodeGen/X86/tailcall-largecode.ll +++ b/test/CodeGen/X86/tailcall-largecode.ll @@ -20,7 +20,7 @@ define fastcc i32 @indirect_manyargs(i32(i32,i32,i32,i32,i32,i32,i32)* %target) ; CHECK: subq $8, %rsp ; Put the call target into R11, which won't be clobbered while restoring ; callee-saved registers and won't be used for passing arguments. -; CHECK: movq %rdi, %r11 +; CHECK: movq %rdi, %rax ; Pass the stack argument. ; CHECK: movl $7, 16(%rsp) ; Pass the register arguments, in the right registers. @@ -33,7 +33,7 @@ define fastcc i32 @indirect_manyargs(i32(i32,i32,i32,i32,i32,i32,i32)* %target) ; Adjust the stack to "return". ; CHECK: addq $8, %rsp ; And tail-call to the target. -; CHECK: jmpq *%r11 # TAILCALL +; CHECK: jmpq *%rax # TAILCALL %res = tail call fastcc i32 %target(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7) ret i32 %res @@ -60,11 +60,11 @@ define fastcc i32 @direct_manyargs() { ; the jmp instruction. Put it into R11, which won't be clobbered ; while restoring callee-saved registers and won't be used for passing ; arguments. -; CHECK: movabsq $manyargs_callee, %r11 +; CHECK: movabsq $manyargs_callee, %rax ; Adjust the stack to "return". ; CHECK: addq $8, %rsp ; And tail-call to the target. -; CHECK: jmpq *%r11 # TAILCALL +; CHECK: jmpq *%rax # TAILCALL %res = tail call fastcc i32 @manyargs_callee(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7) ret i32 %res |