diff options
Diffstat (limited to 'test/CodeGen/Mips/indirect-jump-hazard/long-calls.ll')
-rw-r--r-- | test/CodeGen/Mips/indirect-jump-hazard/long-calls.ll | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/indirect-jump-hazard/long-calls.ll b/test/CodeGen/Mips/indirect-jump-hazard/long-calls.ll new file mode 100644 index 00000000000..88886e13f32 --- /dev/null +++ b/test/CodeGen/Mips/indirect-jump-hazard/long-calls.ll @@ -0,0 +1,113 @@ +; 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, 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 $1, $1, %lo(val) +; O32-NEXT: lui $2, 20560 +; O32-NEXT: ori $2, $2, 20560 +; O32-NEXT: sw $2, 96($1) +; O32-NEXT: sw $2, 92($1) +; O32-NEXT: sw $2, 88($1) +; O32-NEXT: sw $2, 84($1) +; O32-NEXT: sw $2, 80($1) +; 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 $1, $1, %lo(val) +; N32-NEXT: lui $2, 1285 +; N32-NEXT: daddiu $2, $2, 1285 +; N32-NEXT: dsll $2, $2, 16 +; N32-NEXT: daddiu $2, $2, 1285 +; N32-NEXT: dsll $2, $2, 20 +; N32-NEXT: daddiu $2, $2, 20560 +; N32-NEXT: sdl $2, 88($1) +; N32-NEXT: sdl $2, 80($1) +; N32-NEXT: lui $3, 20560 +; N32-NEXT: ori $3, $3, 20560 +; N32-NEXT: sw $3, 96($1) +; N32-NEXT: sdr $2, 95($1) +; N32-NEXT: sdr $2, 87($1) +; 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: daddiu $1, $1, %lo(val) +; N64-NEXT: lui $2, 1285 +; N64-NEXT: daddiu $2, $2, 1285 +; N64-NEXT: dsll $2, $2, 16 +; N64-NEXT: daddiu $2, $2, 1285 +; N64-NEXT: dsll $2, $2, 20 +; N64-NEXT: daddiu $2, $2, 20560 +; N64-NEXT: lui $3, 20560 +; N64-NEXT: sdl $2, 88($1) +; N64-NEXT: sdl $2, 80($1) +; N64-NEXT: ori $3, $3, 20560 +; N64-NEXT: sw $3, 96($1) +; N64-NEXT: sdr $2, 95($1) +; N64-NEXT: sdr $2, 87($1) +; 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* bitcast (i32* getelementptr inbounds ([20 x i32], [20 x i32]* @val, i64 1, i32 0) to i8*), i8 80, i32 20, i32 4, i1 false) + ret void +} + |