X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FCodeGen%2FX86%2Ftailcallstack64.ll;h=158b777fe1fbcc76eb8349d02b0a742ea63367c4;hb=d8b27b1cb14a2f6ce88505372ffc1eb9f5068efe;hp=73c59bb639a6f3ee8a3306f5f647c12ff5156274;hpb=36a0947820fd4aa4b8a5fa26e3f079bdf572bc81;p=oota-llvm.git diff --git a/test/CodeGen/X86/tailcallstack64.ll b/test/CodeGen/X86/tailcallstack64.ll index 73c59bb639a..158b777fe1f 100644 --- a/test/CodeGen/X86/tailcallstack64.ll +++ b/test/CodeGen/X86/tailcallstack64.ll @@ -1,24 +1,28 @@ -; RUN: llc < %s -tailcallopt -march=x86-64 | FileCheck %s +; RUN: llc < %s -tailcallopt -mcpu=generic -mtriple=x86_64-linux -post-RA-scheduler=true | FileCheck %s +; RUN: llc < %s -tailcallopt -mcpu=generic -mtriple=x86_64-win32 -post-RA-scheduler=true | FileCheck %s + +; FIXME: Redundant unused stack allocation could be eliminated. +; CHECK: subq ${{24|72|80}}, %rsp ; Check that lowered arguments on the stack do not overwrite each other. ; Add %in1 %p1 to a different temporary register (%eax). -; CHECK: movl %edi, %eax -; CHECK: addl 32(%rsp), %eax +; CHECK: movl [[A1:32|144]](%rsp), [[R1:%e..]] ; Move param %in1 to temp register (%r10d). -; CHECK: movl 40(%rsp), %r10d -; Move result of addition to stack. -; CHECK: movl %eax, 40(%rsp) +; CHECK: movl [[A2:40|152]](%rsp), [[R2:%[a-z0-9]+]] +; Add %in1 %p1 to a different temporary register (%eax). +; CHECK: addl {{%edi|%ecx}}, [[R1]] ; Move param %in2 to stack. -; CHECK: movl %r10d, 32(%rsp) +; CHECK-DAG: movl [[R2]], [[A1]](%rsp) +; Move result of addition to stack. +; CHECK-DAG: movl [[R1]], [[A2]](%rsp) ; Eventually, do a TAILCALL ; CHECK: TAILCALL -declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %a, i32 %b) +declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %a, i32 %b) nounwind -define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in1, i32 %in2) { +define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in1, i32 %in2) nounwind { entry: %tmp = add i32 %in1, %p1 %retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in2,i32 %tmp) ret i32 %retval } -