Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/Mips/eh-dwarf-cfa.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 54457678186b |
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; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s ; RUN: llc -march=mips64el -mcpu=mips64 < %s | \ ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64 declare i8* @llvm.eh.dwarf.cfa(i32) nounwind declare i8* @llvm.frameaddress(i32) nounwind readnone define i8* @f1() nounwind { entry: %x = alloca [32 x i8], align 1 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0) ret i8* %0 ; CHECK: addiu $sp, $sp, -32 ; CHECK: addiu $2, $sp, 32 } define i8* @f2() nounwind { entry: %x = alloca [65536 x i8], align 1 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0) ret i8* %0 ; check stack size (65536 + 8) ; CHECK: lui $[[R0:[a-z0-9]+]], 65535 ; CHECK: addiu $[[R0]], $[[R0]], -8 ; CHECK: addu $sp, $sp, $[[R0]] ; check return value ($sp + stack size) ; CHECK: lui $[[R1:[a-z0-9]+]], 1 ; CHECK: addu $[[R1]], $sp, $[[R1]] ; CHECK: addiu $2, $[[R1]], 8 } define i32 @f3() nounwind { entry: %x = alloca [32 x i8], align 1 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0) %1 = ptrtoint i8* %0 to i32 %2 = call i8* @llvm.frameaddress(i32 0) %3 = ptrtoint i8* %2 to i32 %add = add i32 %1, %3 ret i32 %add ; CHECK: addiu $sp, $sp, -40 ; check return value ($fp + stack size + $fp) ; CHECK: addiu $[[R0:[a-z0-9]+]], $fp, 40 ; CHECK: addu $2, $[[R0]], $fp } define i8* @f4() nounwind { entry: %x = alloca [32 x i8], align 1 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0) ret i8* %0 ; CHECK-MIPS64: daddiu $sp, $sp, -32 ; CHECK-MIPS64: daddiu $2, $sp, 32 }