; 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" }