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llvm-project/llvm/test/CodeGen/Hexagon/store-imm-large-stack.ll

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LLVM
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[Hexagon] Recognize potential offset overflow for store-imm to stack Reserve an extra scavenging stack slot if the offset field in store- -immediate instructions may overflow. llvm-svn: 306004
2017-06-22 22:11:23 +08:00
; RUN: llc -march=hexagon < %s | FileCheck %s
; Check that this testcase compiles successfully.
; CHECK: allocframe
target triple = "hexagon"
@g0 = external global [1024 x i8], align 8
@g1 = external global [1024 x i8], align 8
@g2 = external global [1024 x i8], align 8
@g3 = external global [1024 x i8], align 8
@g4 = external hidden unnamed_addr constant [40 x i8], align 1
; Function Attrs: nounwind
define void @fred() local_unnamed_addr #0 {
b0:
%v1 = alloca i32, align 4
%v2 = alloca i32, align 4
%v3 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 9), align 1
%v4 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 10), align 2
store i32 24, i32* %v1, align 4
store i8 %v3, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 16), align 8
store i8 %v4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 10), align 2
store i32 44, i32* %v2, align 4
store i16 0, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 4) to i16*), align 4
%v5 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 11) to i16*), align 1
store i16 %v5, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 18) to i16*), align 2
%v6 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 13) to i32*), align 1
store i32 %v6, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 20) to i32*), align 4
%v7 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 17) to i16*), align 1
store i16 %v7, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 24) to i16*), align 8
%v8 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 23) to i16*), align 1
store i16 %v8, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 32) to i16*), align 8
%v9 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 25) to i32*), align 1
store i32 %v9, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 36) to i32*), align 4
%v10 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 29) to i16*), align 1
store i16 %v10, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 40) to i16*), align 8
%v11 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 31) to i32*), align 1
store i32 %v11, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 44) to i32*), align 4
%v12 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 35) to i16*), align 1
store i16 %v12, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 48) to i16*), align 8
%v13 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 37) to i32*), align 1
store i32 %v13, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 52) to i32*), align 4
%v14 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 41) to i16*), align 1
store i16 %v14, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 56) to i16*), align 8
%v15 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 43) to i32*), align 1
store i32 %v15, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 60) to i32*), align 4
%v16 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 47) to i16*), align 1
store i16 %v16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 64) to i16*), align 8
%v17 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 49) to i32*), align 1
store i32 %v17, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 68) to i32*), align 4
%v18 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 53) to i16*), align 1
store i16 %v18, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 72) to i16*), align 8
%v19 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 55) to i32*), align 1
store i32 %v19, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 76) to i32*), align 4
%v20 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 61) to i32*), align 1
store i32 %v20, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 84) to i32*), align 4
%v21 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 73) to i32*), align 1
store i32 %v21, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 100) to i32*), align 4
store i32 104, i32* %v1, align 4
store i8 %v4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 10), align 2
store i16 %v8, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 23) to i16*), align 1
store i32 %v9, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 25) to i32*), align 1
store i16 %v10, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 29) to i16*), align 1
store i32 %v11, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 31) to i32*), align 1
store i16 %v12, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 35) to i16*), align 1
store i32 %v13, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 37) to i32*), align 1
store i16 %v14, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 41) to i16*), align 1
store i32 %v15, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 43) to i32*), align 1
store i16 %v16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 47) to i16*), align 1
store i32 %v17, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 49) to i32*), align 1
store i32 %v19, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 55) to i32*), align 1
store i32 %v20, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 61) to i32*), align 1
store i32 %v21, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 73) to i32*), align 1
%v22 = trunc i32 %v6 to i8
store i8 %v22, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 20), align 4
store i32 24, i32* %v1, align 4
store i16 0, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 4) to i16*), align 4
store i8 %v3, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 9), align 1
store i16 %v5, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 11) to i16*), align 1
store i8 %v22, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 13), align 1
store i32 14, i32* %v2, align 4
store i8 %v4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 17), align 1
%v23 = load i64, i64* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 11) to i64*), align 1
store i64 %v23, i64* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 24) to i64*), align 8
%v24 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 19) to i16*), align 1
store i16 %v24, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 32) to i16*), align 8
%v25 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 21) to i32*), align 1
store i32 %v25, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 36) to i32*), align 4
%v26 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 25) to i32*), align 1
store i32 %v26, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 40) to i32*), align 8
%v27 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 29) to i16*), align 1
store i16 %v27, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 44) to i16*), align 4
%v28 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 31) to i16*), align 1
store i16 %v28, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 46) to i16*), align 2
%v29 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 33), align 1
store i8 %v29, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 48), align 8
%v30 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 34), align 2
store i8 %v30, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 56), align 8
%v31 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 35) to i32*), align 1
store i32 %v31, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 60) to i32*), align 4
%v32 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 39) to i32*), align 1
store i32 72, i32* %v1, align 4
store i32 0, i32* bitcast ([1024 x i8]* @g2 to i32*), align 8
store i16 0, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 4) to i16*), align 4
store i8 %v3, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 9), align 1
store i32 %v25, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 21) to i32*), align 1
store i32 %v26, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 25) to i32*), align 1
store i16 %v27, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 29) to i16*), align 1
store i16 %v28, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 31) to i16*), align 1
store i8 %v29, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 33), align 1
store i8 %v30, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 34), align 2
store i32 %v31, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 35) to i32*), align 1
store i32 %v32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 39) to i32*), align 1
store i32 43, i32* %v2, align 4
%v33 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g1, i32 0, i32 0), align 8
%v34 = zext i8 %v33 to i32
tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @g4, i32 0, i32 0), i32 %v34, i32 0) #0
%v35 = load i8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 7), align 1
store i8 %v35, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 7), align 1
%v36 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 17) to i16*), align 1
store i16 %v36, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 24) to i16*), align 8
%v37 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 19) to i32*), align 1
%v38 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 31) to i32*), align 1
store i32 %v38, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 44) to i32*), align 4
%v39 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 35) to i16*), align 1
%v40 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 37) to i32*), align 1
store i32 %v40, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 52) to i32*), align 4
%v41 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 43) to i32*), align 1
store i32 %v41, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 60) to i32*), align 4
%v42 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 47) to i16*), align 1
store i16 %v42, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 64) to i16*), align 8
%v43 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 49) to i32*), align 1
store i32 %v43, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 68) to i32*), align 4
%v44 = load i16, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 59) to i16*), align 1
store i16 %v44, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 80) to i16*), align 8
%v45 = load i32, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g0, i32 0, i32 67) to i32*), align 1
store i32 %v45, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g3, i32 0, i32 92) to i32*), align 4
store i32 96, i32* %v1, align 4
store i8 %v35, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 7), align 1
store i16 %v36, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 17) to i16*), align 1
store i32 %v37, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 19) to i32*), align 1
store i32 %v38, i32* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 31) to i32*), align 1
store i16 %v39, i16* bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @g2, i32 0, i32 35) to i16*), align 1
call void (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @g4, i32 0, i32 0), i32 0, i32 0) #0
call void (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @g4, i32 0, i32 0), i32 undef, i32 0) #0
unreachable
}
declare void @printf(i8* nocapture readonly, ...) local_unnamed_addr #0
attributes #0 = { nounwind "target-cpu"="hexagonv5" }