Index: lib/Target/ARM/ARMInstrInfo.td =================================================================== --- lib/Target/ARM/ARMInstrInfo.td +++ lib/Target/ARM/ARMInstrInfo.td @@ -3678,10 +3678,10 @@ let Inst{3-0} = Rn; } -def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos), - (SSAT imm:$pos, GPRnopc:$a, 0)>; -def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos), - (USAT imm:$pos, GPRnopc:$a, 0)>; +def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos), + (SSAT imm1_32:$pos, GPRnopc:$a, 0)>; +def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos), + (USAT imm0_31:$pos, GPRnopc:$a, 0)>; //===----------------------------------------------------------------------===// // Bitwise Instructions. Index: test/CodeGen/ARM/sat-arith.ll =================================================================== --- /dev/null +++ test/CodeGen/ARM/sat-arith.ll @@ -0,0 +1,60 @@ +; RUN: llc -O1 -mtriple=armv6-none-none-eabi %s -o - | FileCheck %s + +; CHECK-LABEL: qadd +define i32 @qadd() nounwind { +; CHECK: mov [[R0:.*]], #8 +; CHECK: mov [[R1:.*]], #128 +; CHECK: qadd [[R0]], [[R1]], [[R0]] + %tmp = call i32 @llvm.arm.qadd(i32 128, i32 8) + ret i32 %tmp +} + +; CHECK-LABEL: qsub +define i32 @qsub() nounwind { +; CHECK: mov [[R0:.*]], #8 +; CHECK: mov [[R1:.*]], #128 +; CHECK: qsub [[R0]], [[R1]], [[R0]] + %tmp = call i32 @llvm.arm.qsub(i32 128, i32 8) + ret i32 %tmp +} + +; upper-bound of the immediate argument +; CHECK-LABEL: ssat1 +define i32 @ssat1() nounwind { +; CHECK: mov [[R0:.*]], #128 +; CHECK: ssat [[R1:.*]], #32, [[R0]] + %tmp = call i32 @llvm.arm.ssat(i32 128, i32 32) + ret i32 %tmp +} + +; lower-bound of the immediate argument +; CHECK-LABEL: ssat2 +define i32 @ssat2() nounwind { +; CHECK: mov [[R0:.*]], #128 +; CHECK: ssat [[R1:.*]], #1, [[R0]] + %tmp = call i32 @llvm.arm.ssat(i32 128, i32 1) + ret i32 %tmp +} + +; upper-bound of the immediate argument +; CHECK-LABEL: usat1 +define i32 @usat1() nounwind { +; CHECK: mov [[R0:.*]], #128 +; CHECK: usat [[R1:.*]], #31, [[R0]] + %tmp = call i32 @llvm.arm.usat(i32 128, i32 31) + ret i32 %tmp +} + +; lower-bound of the immediate argument +; CHECK-LABEL: usat2 +define i32 @usat2() nounwind { +; CHECK: mov [[R0:.*]], #128 +; CHECK: usat [[R1:.*]], #0, [[R0]] + %tmp = call i32 @llvm.arm.usat(i32 128, i32 0) + ret i32 %tmp +} + +declare i32 @llvm.arm.qadd(i32, i32) nounwind +declare i32 @llvm.arm.qsub(i32, i32) nounwind +declare i32 @llvm.arm.ssat(i32, i32) nounwind readnone +declare i32 @llvm.arm.usat(i32, i32) nounwind readnone Index: test/CodeGen/ARM/ssat-lower.ll =================================================================== --- /dev/null +++ test/CodeGen/ARM/ssat-lower.ll @@ -0,0 +1,10 @@ +; RUN: not llc < %s -O1 -mtriple=armv6-none-none-eabi 2>&1 | FileCheck %s + +; immediate argument < lower-bound +; CHECK: LLVM ERROR: Cannot select: intrinsic %llvm.arm.ssat +define i32 @ssat1() nounwind { + %tmp = call i32 @llvm.arm.ssat(i32 128, i32 0) + ret i32 %tmp +} + +declare i32 @llvm.arm.ssat(i32, i32) nounwind readnone Index: test/CodeGen/ARM/ssat-upper.ll =================================================================== --- /dev/null +++ test/CodeGen/ARM/ssat-upper.ll @@ -0,0 +1,10 @@ +; RUN: not llc < %s -O1 -mtriple=armv6-none-none-eabi 2>&1 | FileCheck %s + +; immediate argument > upper-bound +; CHECK: LLVM ERROR: Cannot select: intrinsic %llvm.arm.ssat +define i32 @ssat1() nounwind { + %tmp = call i32 @llvm.arm.ssat(i32 128, i32 33) + ret i32 %tmp +} + +declare i32 @llvm.arm.ssat(i32, i32) nounwind readnone Index: test/CodeGen/ARM/usat-lower.ll =================================================================== --- /dev/null +++ test/CodeGen/ARM/usat-lower.ll @@ -0,0 +1,10 @@ +; RUN: not llc < %s -O1 -mtriple=armv6-none-none-eabi 2>&1 | FileCheck %s + +; immediate argument < lower-bound +; CHECK: LLVM ERROR: Cannot select: intrinsic %llvm.arm.usat +define i32 @usat1() nounwind { + %tmp = call i32 @llvm.arm.usat(i32 128, i32 -1) + ret i32 %tmp +} + +declare i32 @llvm.arm.usat(i32, i32) nounwind readnone Index: test/CodeGen/ARM/usat-upper.ll =================================================================== --- /dev/null +++ test/CodeGen/ARM/usat-upper.ll @@ -0,0 +1,10 @@ +; RUN: not llc < %s -O1 -mtriple=armv6-none-none-eabi 2>&1 | FileCheck %s + +; immediate argument > upper-bound +; CHECK: LLVM ERROR: Cannot select: intrinsic %llvm.arm.usat +define i32 @usat1() nounwind { + %tmp = call i32 @llvm.arm.usat(i32 128, i32 32) + ret i32 %tmp +} + +declare i32 @llvm.arm.usat(i32, i32) nounwind readnone