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Diffstat (limited to 'test/CodeGen/X86/stack-update-frame-opcode.ll')
| -rw-r--r-- | test/CodeGen/X86/stack-update-frame-opcode.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/X86/stack-update-frame-opcode.ll b/test/CodeGen/X86/stack-update-frame-opcode.ll new file mode 100644 index 0000000..9a5a242 --- /dev/null +++ b/test/CodeGen/X86/stack-update-frame-opcode.ll @@ -0,0 +1,31 @@ +; RUN: llc -mtriple=x86_64-pc-linux -mcpu=corei7 < %s | FileCheck -check-prefix=CORE_LP64 %s +; RUN: llc -mtriple=x86_64-pc-linux -mcpu=atom < %s | FileCheck -check-prefix=ATOM_LP64 %s +; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -mcpu=corei7 < %s | FileCheck -check-prefix=CORE_ILP32 %s +; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -mcpu=atom < %s | FileCheck -check-prefix=ATOM_ILP32 %s + +define i32 @bar(i32 %a) nounwind { +entry: + %arr = alloca [400 x i32], align 16 + +; There is a 2x2 variation matrix here: +; Atoms use LEA to update the SP. Opcode bitness depends on data model. +; Cores use sub/add to update the SP. Opcode bitness depends on data model. + +; CORE_LP64: subq $1608 +; CORE_ILP32: subl $1608 +; ATOM_LP64: leaq -1608 +; ATOM_ILP32: leal -1608 + + %arraydecay = getelementptr inbounds [400 x i32]* %arr, i64 0, i64 0 + %call = call i32 @foo(i32 %a, i32* %arraydecay) nounwind + ret i32 %call + +; CORE_LP64: addq $1608 +; CORE_ILP32: addl $1608 +; ATOM_LP64: leaq 1608 +; ATOM_ILP32: leal 1608 + +} + +declare i32 @foo(i32, i32*) + |
