diff --git a/llvm/test/CodeGen/MSP430/shift-amount-threshold.ll b/llvm/test/CodeGen/MSP430/shift-amount-threshold.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/MSP430/shift-amount-threshold.ll @@ -0,0 +1,181 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s | FileCheck %s +target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16" +target triple = "msp430" + +define dso_local i16 @testSimplifySetCC_0(i16 %a) { +; CHECK-LABEL: testSimplifySetCC_0: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: and #32, r12 +; CHECK-NEXT: clrc +; CHECK-NEXT: rrc r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: ret +entry: + %and = and i16 %a, 32 + %cmp = icmp ne i16 %and, 0 + %conv = zext i1 %cmp to i16 + ret i16 %conv +} + +define dso_local i16 @testSimplifySetCC_1(i16 %a) { +; CHECK-LABEL: testSimplifySetCC_1: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: and #32, r12 +; CHECK-NEXT: clrc +; CHECK-NEXT: rrc r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: ret +entry: + %and = and i16 %a, 32 + %cmp = icmp eq i16 %and, 32 + %conv = zext i1 %cmp to i16 + ret i16 %conv +} + +define dso_local i16 @testSiymplifySelect(i16 %a) { +; CHECK-LABEL: testSiymplifySelect: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: mov r12, r13 +; CHECK-NEXT: clr r12 +; CHECK-NEXT: bit #2048, r13 +; CHECK-NEXT: jeq .LBB2_2 +; CHECK-NEXT: ; %bb.1: ; %entry +; CHECK-NEXT: mov #3, r12 +; CHECK-NEXT: .LBB2_2: ; %entry +; CHECK-NEXT: ret +entry: + %and = and i16 %a, 2048 + %cmp = icmp eq i16 %and, 0 + %cond = select i1 %cmp, i16 0, i16 3 + ret i16 %cond +} + +define dso_local i16 @testExtendSignBit(i16 %a) { +; CHECK-LABEL: testExtendSignBit: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: inv r12 +; CHECK-NEXT: swpb r12 +; CHECK-NEXT: mov.b r12, r12 +; CHECK-NEXT: clrc +; CHECK-NEXT: rrc r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp sgt i16 %a, -1 + %cond = select i1 %cmp, i16 1, i16 0 + ret i16 %cond +} + +define dso_local i16 @testShiftAnd_0(i16 %a) { +; CHECK-LABEL: testShiftAnd_0: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: swpb r12 +; CHECK-NEXT: sxt r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp slt i16 %a, 0 + %cond = select i1 %cmp, i16 -1, i16 0 + ret i16 %cond +} + +define dso_local i16 @testShiftAnd_1(i16 %a) { +; CHECK-LABEL: testShiftAnd_1: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: swpb r12 +; CHECK-NEXT: mov.b r12, r12 +; CHECK-NEXT: clrc +; CHECK-NEXT: rrc r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp slt i16 %a, 0 + %cond = select i1 %cmp, i16 1, i16 0 + ret i16 %cond +} + +define dso_local i16 @testShiftAnd_2(i16 %a) { +; CHECK-LABEL: testShiftAnd_2: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: swpb r12 +; CHECK-NEXT: mov.b r12, r12 +; CHECK-NEXT: clrc +; CHECK-NEXT: rrc r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: and #2, r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp slt i16 %a, 0 + %cond = select i1 %cmp, i16 2, i16 0 + ret i16 %cond +} + +define dso_local i16 @testShiftAnd_3(i16 %a) { +; CHECK-LABEL: testShiftAnd_3: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: swpb r12 +; CHECK-NEXT: sxt r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: rra r12 +; CHECK-NEXT: and #3, r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp slt i16 %a, 0 + %cond = select i1 %cmp, i16 3, i16 0 + ret i16 %cond +} + +define dso_local i16 @testShiftAnd_4(i16 %a, i16 %b) { +; CHECK-LABEL: testShiftAnd_4: +; CHECK: ; %bb.0: ; %entry +; CHECK-NEXT: mov r12, r14 +; CHECK-NEXT: mov #1, r12 +; CHECK-NEXT: cmp r14, r13 +; CHECK-NEXT: jl .LBB8_2 +; CHECK-NEXT: ; %bb.1: ; %entry +; CHECK-NEXT: clr r12 +; CHECK-NEXT: .LBB8_2: ; %entry +; CHECK-NEXT: add r12, r12 +; CHECK-NEXT: add r12, r12 +; CHECK-NEXT: add r12, r12 +; CHECK-NEXT: add r12, r12 +; CHECK-NEXT: add r12, r12 +; CHECK-NEXT: ret +entry: + %cmp = icmp sgt i16 %a, %b + %cond = select i1 %cmp, i16 32, i16 0 + ret i16 %cond +} +