diff options
Diffstat (limited to 'test/CodeGen/Mips/indirect-jump-hazard/long-branch.ll')
-rw-r--r-- | test/CodeGen/Mips/indirect-jump-hazard/long-branch.ll | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/indirect-jump-hazard/long-branch.ll b/test/CodeGen/Mips/indirect-jump-hazard/long-branch.ll new file mode 100644 index 000000000000..fffda991ae4b --- /dev/null +++ b/test/CodeGen/Mips/indirect-jump-hazard/long-branch.ll @@ -0,0 +1,138 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; Except for the NACL version which isn't parsed by update_llc_test_checks.py + +; RUN: llc -mtriple=mipsel-unknown-linux-gnu -force-mips-long-branch -O3 \ +; RUN: -mcpu=mips32r2 -mattr=+use-indirect-jump-hazard -relocation-model=pic \ +; RUN: -verify-machineinstrs < %s | FileCheck %s -check-prefix=O32-PIC + +; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r6 \ +; RUN: -force-mips-long-branch -O3 -mattr=+use-indirect-jump-hazard \ +; RUN: -relocation-model=pic -verify-machineinstrs < %s \ +; RUN: | FileCheck %s -check-prefix=O32-R6-PIC + +; RUN: llc -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n64 \ +; RUN: -force-mips-long-branch -O3 -relocation-model=pic \ +; RUN: -mattr=+use-indirect-jump-hazard -verify-machineinstrs \ +; RUN: < %s | FileCheck %s -check-prefix=MIPS64 + +; RUN: llc -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r6 -target-abi=n64 \ +; RUN: -force-mips-long-branch -O3 -mattr=+use-indirect-jump-hazard \ +; RUN: -relocation-model=pic -verify-machineinstrs < %s \ +; RUN: | FileCheck %s -check-prefix=N64-R6 + +; Test that the long branches also get changed to their hazard variants. + +@x = external global i32 + +define void @test1(i32 signext %s) { +; O32-PIC-LABEL: test1: +; O32-PIC: # %bb.0: # %entry +; O32-PIC-NEXT: lui $2, %hi(_gp_disp) +; O32-PIC-NEXT: addiu $2, $2, %lo(_gp_disp) +; O32-PIC-NEXT: bnez $4, $BB0_3 +; O32-PIC-NEXT: addu $2, $2, $25 +; O32-PIC-NEXT: # %bb.1: # %entry +; O32-PIC-NEXT: addiu $sp, $sp, -8 +; O32-PIC-NEXT: sw $ra, 0($sp) +; O32-PIC-NEXT: lui $1, %hi(($BB0_4)-($BB0_2)) +; O32-PIC-NEXT: bal $BB0_2 +; O32-PIC-NEXT: addiu $1, $1, %lo(($BB0_4)-($BB0_2)) +; O32-PIC-NEXT: $BB0_2: # %entry +; O32-PIC-NEXT: addu $1, $ra, $1 +; O32-PIC-NEXT: lw $ra, 0($sp) +; O32-PIC-NEXT: jr.hb $1 +; O32-PIC-NEXT: addiu $sp, $sp, 8 +; O32-PIC-NEXT: $BB0_3: # %then +; O32-PIC-NEXT: lw $1, %got(x)($2) +; O32-PIC-NEXT: addiu $2, $zero, 1 +; O32-PIC-NEXT: sw $2, 0($1) +; O32-PIC-NEXT: $BB0_4: # %end +; O32-PIC-NEXT: jr $ra +; O32-PIC-NEXT: nop +; +; O32-R6-PIC-LABEL: test1: +; O32-R6-PIC: # %bb.0: # %entry +; O32-R6-PIC-NEXT: lui $2, %hi(_gp_disp) +; O32-R6-PIC-NEXT: addiu $2, $2, %lo(_gp_disp) +; O32-R6-PIC-NEXT: bnez $4, $BB0_3 +; O32-R6-PIC-NEXT: addu $2, $2, $25 +; O32-R6-PIC-NEXT: # %bb.1: # %entry +; O32-R6-PIC-NEXT: addiu $sp, $sp, -8 +; O32-R6-PIC-NEXT: sw $ra, 0($sp) +; O32-R6-PIC-NEXT: lui $1, %hi(($BB0_4)-($BB0_2)) +; O32-R6-PIC-NEXT: addiu $1, $1, %lo(($BB0_4)-($BB0_2)) +; O32-R6-PIC-NEXT: balc $BB0_2 +; O32-R6-PIC-NEXT: $BB0_2: # %entry +; O32-R6-PIC-NEXT: addu $1, $ra, $1 +; O32-R6-PIC-NEXT: lw $ra, 0($sp) +; O32-R6-PIC-NEXT: jr.hb $1 +; O32-R6-PIC-NEXT: addiu $sp, $sp, 8 +; O32-R6-PIC-NEXT: $BB0_3: # %then +; O32-R6-PIC-NEXT: lw $1, %got(x)($2) +; O32-R6-PIC-NEXT: addiu $2, $zero, 1 +; O32-R6-PIC-NEXT: sw $2, 0($1) +; O32-R6-PIC-NEXT: $BB0_4: # %end +; O32-R6-PIC-NEXT: jrc $ra +; +; MIPS64-LABEL: test1: +; MIPS64: # %bb.0: # %entry +; MIPS64-NEXT: lui $1, %hi(%neg(%gp_rel(test1))) +; MIPS64-NEXT: bnez $4, .LBB0_3 +; MIPS64-NEXT: daddu $2, $1, $25 +; MIPS64-NEXT: # %bb.1: # %entry +; MIPS64-NEXT: daddiu $sp, $sp, -16 +; MIPS64-NEXT: sd $ra, 0($sp) +; MIPS64-NEXT: daddiu $1, $zero, %hi(.LBB0_4-.LBB0_2) +; MIPS64-NEXT: dsll $1, $1, 16 +; MIPS64-NEXT: bal .LBB0_2 +; MIPS64-NEXT: daddiu $1, $1, %lo(.LBB0_4-.LBB0_2) +; MIPS64-NEXT: .LBB0_2: # %entry +; MIPS64-NEXT: daddu $1, $ra, $1 +; MIPS64-NEXT: ld $ra, 0($sp) +; MIPS64-NEXT: jr.hb $1 +; MIPS64-NEXT: daddiu $sp, $sp, 16 +; MIPS64-NEXT: .LBB0_3: # %then +; MIPS64-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test1))) +; MIPS64-NEXT: addiu $2, $zero, 1 +; MIPS64-NEXT: ld $1, %got_disp(x)($1) +; MIPS64-NEXT: sw $2, 0($1) +; MIPS64-NEXT: .LBB0_4: # %end +; MIPS64-NEXT: jr $ra +; MIPS64-NEXT: nop +; +; N64-R6-LABEL: test1: +; N64-R6: # %bb.0: # %entry +; N64-R6-NEXT: lui $1, %hi(%neg(%gp_rel(test1))) +; N64-R6-NEXT: bnez $4, .LBB0_3 +; N64-R6-NEXT: daddu $2, $1, $25 +; N64-R6-NEXT: # %bb.1: # %entry +; N64-R6-NEXT: daddiu $sp, $sp, -16 +; N64-R6-NEXT: sd $ra, 0($sp) +; N64-R6-NEXT: daddiu $1, $zero, %hi(.LBB0_4-.LBB0_2) +; N64-R6-NEXT: dsll $1, $1, 16 +; N64-R6-NEXT: daddiu $1, $1, %lo(.LBB0_4-.LBB0_2) +; N64-R6-NEXT: balc .LBB0_2 +; N64-R6-NEXT: .LBB0_2: # %entry +; N64-R6-NEXT: daddu $1, $ra, $1 +; N64-R6-NEXT: ld $ra, 0($sp) +; N64-R6-NEXT: jr.hb $1 +; N64-R6-NEXT: daddiu $sp, $sp, 16 +; N64-R6-NEXT: .LBB0_3: # %then +; N64-R6-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test1))) +; N64-R6-NEXT: addiu $2, $zero, 1 +; N64-R6-NEXT: ld $1, %got_disp(x)($1) +; N64-R6-NEXT: sw $2, 0($1) +; N64-R6-NEXT: .LBB0_4: # %end +; N64-R6-NEXT: jrc $ra +entry: + %cmp = icmp eq i32 %s, 0 + br i1 %cmp, label %end, label %then + +then: + store i32 1, i32* @x, align 4 + br label %end + +end: + ret void + +} |