| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=mips-unknwon-linux-gnu -mcpu=mips32r2 \ |
| ; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \ |
| ; RUN: -verify-machineinstrs | FileCheck -check-prefix=O32 %s |
| |
| ; RUN: llc -mtriple=mips64-unknown-linux-gnu -mcpu=mips64r2 -target-abi n32 \ |
| ; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \ |
| ; RUN: -verify-machineinstrs | FileCheck -check-prefix=N32 %s |
| |
| ; RUN: llc -mtriple=mips64-unknown-linux-gnu -mcpu=mips64r2 -target-abi n64 \ |
| ; RUN: -mattr=+use-indirect-jump-hazard,+long-calls,+noabicalls %s -o - \ |
| ; RUN: -verify-machineinstrs | FileCheck -check-prefix=N64 %s |
| |
| declare void @callee() |
| declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) |
| |
| @val = internal unnamed_addr global [20 x i32] zeroinitializer, align 4 |
| |
| ; Test that the long call sequence uses the hazard barrier instruction variant. |
| define void @caller() { |
| ; O32-LABEL: caller: |
| ; O32: # %bb.0: |
| ; O32-NEXT: addiu $sp, $sp, -24 |
| ; O32-NEXT: .cfi_def_cfa_offset 24 |
| ; O32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill |
| ; O32-NEXT: .cfi_offset 31, -4 |
| ; O32-NEXT: lui $1, %hi(callee) |
| ; O32-NEXT: addiu $25, $1, %lo(callee) |
| ; O32-NEXT: jalr.hb $25 |
| ; O32-NEXT: nop |
| ; O32-NEXT: lui $1, %hi(val) |
| ; O32-NEXT: addiu $4, $1, %lo(val) |
| ; O32-NEXT: lui $1, %hi(memset) |
| ; O32-NEXT: addiu $25, $1, %lo(memset) |
| ; O32-NEXT: addiu $5, $zero, 0 |
| ; O32-NEXT: jalr.hb $25 |
| ; O32-NEXT: addiu $6, $zero, 80 |
| ; O32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload |
| ; O32-NEXT: jr $ra |
| ; O32-NEXT: addiu $sp, $sp, 24 |
| ; |
| ; N32-LABEL: caller: |
| ; N32: # %bb.0: |
| ; N32-NEXT: addiu $sp, $sp, -16 |
| ; N32-NEXT: .cfi_def_cfa_offset 16 |
| ; N32-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill |
| ; N32-NEXT: .cfi_offset 31, -8 |
| ; N32-NEXT: lui $1, %hi(callee) |
| ; N32-NEXT: addiu $25, $1, %lo(callee) |
| ; N32-NEXT: jalr.hb $25 |
| ; N32-NEXT: nop |
| ; N32-NEXT: lui $1, %hi(val) |
| ; N32-NEXT: addiu $4, $1, %lo(val) |
| ; N32-NEXT: lui $1, %hi(memset) |
| ; N32-NEXT: addiu $25, $1, %lo(memset) |
| ; N32-NEXT: daddiu $5, $zero, 0 |
| ; N32-NEXT: jalr.hb $25 |
| ; N32-NEXT: daddiu $6, $zero, 80 |
| ; N32-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload |
| ; N32-NEXT: jr $ra |
| ; N32-NEXT: addiu $sp, $sp, 16 |
| ; |
| ; N64-LABEL: caller: |
| ; N64: # %bb.0: |
| ; N64-NEXT: daddiu $sp, $sp, -16 |
| ; N64-NEXT: .cfi_def_cfa_offset 16 |
| ; N64-NEXT: sd $ra, 8($sp) # 8-byte Folded Spill |
| ; N64-NEXT: .cfi_offset 31, -8 |
| ; N64-NEXT: lui $1, %highest(callee) |
| ; N64-NEXT: daddiu $1, $1, %higher(callee) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: daddiu $1, $1, %hi(callee) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: daddiu $25, $1, %lo(callee) |
| ; N64-NEXT: jalr.hb $25 |
| ; N64-NEXT: nop |
| ; N64-NEXT: lui $1, %highest(val) |
| ; N64-NEXT: daddiu $1, $1, %higher(val) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: daddiu $1, $1, %hi(val) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: lui $2, %highest(memset) |
| ; N64-NEXT: daddiu $4, $1, %lo(val) |
| ; N64-NEXT: daddiu $1, $2, %higher(memset) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: daddiu $1, $1, %hi(memset) |
| ; N64-NEXT: dsll $1, $1, 16 |
| ; N64-NEXT: daddiu $25, $1, %lo(memset) |
| ; N64-NEXT: daddiu $5, $zero, 0 |
| ; N64-NEXT: jalr.hb $25 |
| ; N64-NEXT: daddiu $6, $zero, 80 |
| ; N64-NEXT: ld $ra, 8($sp) # 8-byte Folded Reload |
| ; N64-NEXT: jr $ra |
| ; N64-NEXT: daddiu $sp, $sp, 16 |
| call void @callee() |
| call void @llvm.memset.p0i8.i32(i8* align 4 bitcast ([20 x i32]* @val to i8*), i8 0, i32 80, i1 false) |
| ret void |
| } |
| |