validate-offset.ll
1.11 KB
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; RUN: llc -march=hexagon -O0 < %s
; This is a regression test which makes sure that the offset check
; is available for STRiw_indexed instruction. This is required
; by 'Hexagon Expand Predicate Spill Code' pass.
define i32 @f0(i32 %a0, i32 %a1) #0 {
b0:
%v0 = alloca i32, align 4
%v1 = alloca i32, align 4
%v2 = alloca i32, align 4
store i32 %a0, i32* %v1, align 4
store i32 %a1, i32* %v2, align 4
%v3 = load i32, i32* %v1, align 4
%v4 = load i32, i32* %v2, align 4
%v5 = icmp sgt i32 %v3, %v4
br i1 %v5, label %b1, label %b2
b1: ; preds = %b0
%v6 = load i32, i32* %v1, align 4
%v7 = load i32, i32* %v2, align 4
%v8 = add nsw i32 %v6, %v7
store i32 %v8, i32* %v0
br label %b3
b2: ; preds = %b0
%v9 = load i32, i32* %v1, align 4
%v10 = load i32, i32* %v2, align 4
%v11 = sub nsw i32 %v9, %v10
store i32 %v11, i32* %v0
br label %b3
b3: ; preds = %b2, %b1
%v12 = load i32, i32* %v0
ret i32 %v12
}
attributes #0 = { nounwind "target-cpu"="hexagonv5" }