| ; RUN: llc -march=hexagon -hexagon-expand-condsets=0 -hexagon-initial-cfg-cleanup=0 < %s | FileCheck %s |
| ; |
| ; Expand-condsets eliminates the "mux" instruction, which is what this |
| ; testcase is checking. |
| |
| ; Test that we don't generate a new value compare if the operands are |
| ; the same register. |
| |
| ; CHECK-NOT: cmp.eq([[REG0:(r[0-9]+)]].new,[[REG0]]) |
| ; CHECK: cmp.eq([[REG1:(r[0-9]+)]],[[REG1]]) |
| |
| %s.0 = type { i16, i8, i32, i8*, i8*, i8*, i8*, i8*, i8*, i32*, [2 x i32], i8*, i8*, i8*, %s.1, i8*, [8 x i8], i8 } |
| %s.1 = type { i32, i16, i16 } |
| |
| @g0 = external global %s.0 |
| @g1 = external unnamed_addr constant [23 x i8], align 8 |
| |
| ; Function Attrs: nounwind |
| declare void @f0(%s.0* nocapture, i8* nocapture readonly, ...) #0 |
| |
| define void @f1() #1 { |
| b0: |
| %v0 = load i32*, i32** undef, align 4 |
| %v1 = load i32, i32* undef, align 4 |
| br i1 undef, label %b4, label %b1 |
| |
| b1: ; preds = %b0 |
| %v2 = icmp slt i32 %v1, 0 |
| %v3 = lshr i32 %v1, 5 |
| %v4 = add i32 %v3, -134217728 |
| %v5 = select i1 %v2, i32 %v4, i32 %v3 |
| %v6 = getelementptr inbounds i32, i32* %v0, i32 %v5 |
| %v7 = icmp ult i32* %v6, %v0 |
| %v8 = select i1 %v7, i32 0, i32 1 |
| br i1 undef, label %b2, label %b4 |
| |
| b2: ; preds = %b1 |
| %v9 = icmp slt i32 %v1, 0 |
| %v10 = lshr i32 %v1, 5 |
| %v11 = add i32 %v10, -134217728 |
| %v12 = select i1 %v9, i32 %v11, i32 %v10 |
| %v13 = getelementptr inbounds i32, i32* %v0, i32 %v12 |
| %v14 = icmp ult i32* %v13, %v0 |
| %v15 = select i1 %v14, i32 0, i32 1 |
| %v16 = icmp eq i32 %v8, %v15 |
| br i1 %v16, label %b4, label %b3 |
| |
| b3: ; preds = %b2 |
| call void (%s.0*, i8*, ...) @f0(%s.0* @g0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @g1, i32 0, i32 0), i32 %v8, i32 %v15) #0 |
| unreachable |
| |
| b4: ; preds = %b2, %b1, %b0 |
| br i1 undef, label %b6, label %b5 |
| |
| b5: ; preds = %b4 |
| unreachable |
| |
| b6: ; preds = %b4 |
| ret void |
| } |
| |
| attributes #0 = { nounwind "target-cpu"="hexagonv5" } |
| attributes #1 = { "target-cpu"="hexagonv5" } |