diff options
| -rw-r--r-- | llvm/lib/Target/Mips/MipsSEInstrInfo.cpp | 9 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Mips/micromips-b-range.ll | 98 |
2 files changed, 105 insertions, 2 deletions
diff --git a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp index 9f697cd03cb..e8589fc5349 100644 --- a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp +++ b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp @@ -25,9 +25,14 @@ using namespace llvm; +static unsigned getUnconditionalBranch(const MipsSubtarget &STI) { + if (STI.inMicroMipsMode()) + return STI.isPositionIndependent() ? Mips::B_MM : Mips::J_MM; + return STI.isPositionIndependent() ? Mips::B : Mips::J; +} + MipsSEInstrInfo::MipsSEInstrInfo(const MipsSubtarget &STI) - : MipsInstrInfo(STI, STI.isPositionIndependent() ? Mips::B : Mips::J), - RI() {} + : MipsInstrInfo(STI, getUnconditionalBranch(STI)), RI() {} const MipsRegisterInfo &MipsSEInstrInfo::getRegisterInfo() const { return RI; diff --git a/llvm/test/CodeGen/Mips/micromips-b-range.ll b/llvm/test/CodeGen/Mips/micromips-b-range.ll new file mode 100644 index 00000000000..f761d1c31d3 --- /dev/null +++ b/llvm/test/CodeGen/Mips/micromips-b-range.ll @@ -0,0 +1,98 @@ +; RUN: llc -march=mips -relocation-model=pic -mattr=+micromips \ +; RUN: -filetype=obj -o - %s | llvm-objdump -d - | FileCheck %s + +; CHECK-LABEL: foo: +; CHECK-NEXT: 0: 41 a2 00 00 lui $2, 0 +; CHECK-NEXT: 4: 30 42 00 00 addiu $2, $2, 0 +; CHECK-NEXT: 8: 03 22 11 50 addu $2, $2, $25 +; CHECK-NEXT: c: fc 42 00 00 lw $2, 0($2) +; CHECK-NEXT: 10: 69 20 lw16 $2, 0($2) +; CHECK-NEXT: 12: 40 c2 00 14 bgtz $2, 44 <foo+0x3e> +; CHECK-NEXT: 16: 00 00 00 00 nop +; CHECK-NEXT: 1a: 33 bd ff f8 addiu $sp, $sp, -8 +; CHECK-NEXT: 1e: fb fd 00 00 sw $ra, 0($sp) +; CHECK-NEXT: 22: 41 a1 00 01 lui $1, 1 +; CHECK-NEXT: 26: 40 60 00 02 bal 8 <foo+0x2e> +; CHECK-NEXT: 2a: 30 21 04 68 addiu $1, $1, 1128 +; CHECK-NEXT: 2e: 00 3f 09 50 addu $1, $ra, $1 +; CHECK-NEXT: 32: ff fd 00 00 lw $ra, 0($sp) +; CHECK-NEXT: 36: 00 01 0f 3c jr $1 +; CHECK-NEXT: 3a: 33 bd 00 08 addiu $sp, $sp, 8 +; CHECK-NEXT: 3e: 94 00 00 02 b 8 <foo+0x46> +; CHECK-NEXT: 42: 00 00 00 00 nop +; CHECK-NEXT: 46: 30 20 4e 1f addiu $1, $zero, 19999 +; CHECK-NEXT: 4a: b4 22 00 14 bne $2, $1, 44 <foo+0x76> +; CHECK-NEXT: 4e: 00 00 00 00 nop +; CHECK-NEXT: 52: 33 bd ff f8 addiu $sp, $sp, -8 +; CHECK-NEXT: 56: fb fd 00 00 sw $ra, 0($sp) +; CHECK-NEXT: 5a: 41 a1 00 01 lui $1, 1 +; CHECK-NEXT: 5e: 40 60 00 02 bal 8 <foo+0x66> +; CHECK-NEXT: 62: 30 21 04 5c addiu $1, $1, 1116 +; CHECK-NEXT: 66: 00 3f 09 50 addu $1, $ra, $1 +; CHECK-NEXT: 6a: ff fd 00 00 lw $ra, 0($sp) +; CHECK-NEXT: 6e: 00 01 0f 3c jr $1 +; CHECK-NEXT: 72: 33 bd 00 08 addiu $sp, $sp, 8 +; CHECK-NEXT: 76: 30 20 27 0f addiu $1, $zero, 9999 +; CHECK-NEXT: 7a: 94 22 00 14 beq $2, $1, 44 <foo+0xa6> +; CHECK-NEXT: 7e: 00 00 00 00 nop +; CHECK-NEXT: 82: 33 bd ff f8 addiu $sp, $sp, -8 +; CHECK-NEXT: 86: fb fd 00 00 sw $ra, 0($sp) +; CHECK-NEXT: 8a: 41 a1 00 01 lui $1, 1 +; CHECK-NEXT: 8e: 40 60 00 02 bal 8 <foo+0x96> +; CHECK-NEXT: 92: 30 21 04 2c addiu $1, $1, 1068 +; CHECK-NEXT: 96: 00 3f 09 50 addu $1, $ra, $1 +; CHECK-NEXT: 9a: ff fd 00 00 lw $ra, 0($sp) +; CHECK-NEXT: 9e: 00 01 0f 3c jr $1 +; CHECK-NEXT: a2: 33 bd 00 08 addiu $sp, $sp, 8 + +; CHECK: 10466: 00 00 00 00 nop +; CHECK-NEXT: 1046a: 94 00 00 02 b 8 <foo+0x10472> +; CHECK-NEXT: 1046e: 00 00 00 00 nop +; CHECK-NEXT: 10472: 33 bd ff f8 addiu $sp, $sp, -8 +; CHECK-NEXT: 10476: fb fd 00 00 sw $ra, 0($sp) +; CHECK-NEXT: 1047a: 41 a1 00 01 lui $1, 1 +; CHECK-NEXT: 1047e: 40 60 00 02 bal 8 <foo+0x10486> +; CHECK-NEXT: 10482: 30 21 04 00 addiu $1, $1, 1024 +; CHECK-NEXT: 10486: 00 3f 09 50 addu $1, $ra, $1 +; CHECK-NEXT: 1048a: ff fd 00 00 lw $ra, 0($sp) +; CHECK-NEXT: 1048e: 00 01 0f 3c jr $1 +; CHECK-NEXT: 10492: 33 bd 00 08 addiu $sp, $sp, 8 +; CHECK-NEXT: 10496: 94 00 00 02 b 8 <foo+0x1049e> + +@x = external global i32, align 4 + +define void @foo() { + %1 = load i32, i32* @x, align 4 + %2 = icmp sgt i32 %1, 0 + br i1 %2, label %la, label %lf + +la: + switch i32 %1, label %le [ + i32 9999, label %lb + i32 19999, label %lc + ] + +lb: + tail call void asm sideeffect ".space 0", ""() + br label %le + +lc: + tail call void asm sideeffect ".space 0", ""() + br label %le + +le: + tail call void asm sideeffect ".space 66500", ""() + br label %lg + +lf: + tail call void asm sideeffect ".space 0", ""() + br label %lg + +lg: + tail call void asm sideeffect ".space 0", ""() + br label %li + +li: + tail call void asm sideeffect ".space 0", ""() + ret void +} |
