1 ; RUN: llc -mtriple=arm64-apple-ios < %s 2 @bar = common global i32 0, align 4 3 4 ; Leaf function which uses all callee-saved registers and allocates >= 256 bytes 5 ; on the stack this will cause determineCalleeSaves() to spill LR as an 6 ; additional scratch register. 7 ; 8 ; This is a crash-only regression test for rdar://15124582. 9 define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) nounwind { 10 entry: 11 %stack = alloca [128 x i32], align 4 12 %0 = bitcast [128 x i32]* %stack to i8* 13 %idxprom = sext i32 %a to i64 14 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* %stack, i64 0, i64 %idxprom 15 store i32 %b, i32* %arrayidx, align 4 16 %1 = load volatile i32, i32* @bar, align 4 17 %2 = load volatile i32, i32* @bar, align 4 18 %3 = load volatile i32, i32* @bar, align 4 19 %4 = load volatile i32, i32* @bar, align 4 20 %5 = load volatile i32, i32* @bar, align 4 21 %6 = load volatile i32, i32* @bar, align 4 22 %7 = load volatile i32, i32* @bar, align 4 23 %8 = load volatile i32, i32* @bar, align 4 24 %9 = load volatile i32, i32* @bar, align 4 25 %10 = load volatile i32, i32* @bar, align 4 26 %11 = load volatile i32, i32* @bar, align 4 27 %12 = load volatile i32, i32* @bar, align 4 28 %13 = load volatile i32, i32* @bar, align 4 29 %14 = load volatile i32, i32* @bar, align 4 30 %15 = load volatile i32, i32* @bar, align 4 31 %16 = load volatile i32, i32* @bar, align 4 32 %17 = load volatile i32, i32* @bar, align 4 33 %18 = load volatile i32, i32* @bar, align 4 34 %19 = load volatile i32, i32* @bar, align 4 35 %20 = load volatile i32, i32* @bar, align 4 36 %idxprom1 = sext i32 %c to i64 37 %arrayidx2 = getelementptr inbounds [128 x i32], [128 x i32]* %stack, i64 0, i64 %idxprom1 38 %21 = load i32, i32* %arrayidx2, align 4 39 %factor = mul i32 %h, -2 40 %factor67 = mul i32 %g, -2 41 %factor68 = mul i32 %f, -2 42 %factor69 = mul i32 %e, -2 43 %factor70 = mul i32 %d, -2 44 %factor71 = mul i32 %c, -2 45 %factor72 = mul i32 %b, -2 46 %sum = add i32 %2, %1 47 %sum73 = add i32 %sum, %3 48 %sum74 = add i32 %sum73, %4 49 %sum75 = add i32 %sum74, %5 50 %sum76 = add i32 %sum75, %6 51 %sum77 = add i32 %sum76, %7 52 %sum78 = add i32 %sum77, %8 53 %sum79 = add i32 %sum78, %9 54 %sum80 = add i32 %sum79, %10 55 %sum81 = add i32 %sum80, %11 56 %sum82 = add i32 %sum81, %12 57 %sum83 = add i32 %sum82, %13 58 %sum84 = add i32 %sum83, %14 59 %sum85 = add i32 %sum84, %15 60 %sum86 = add i32 %sum85, %16 61 %sum87 = add i32 %sum86, %17 62 %sum88 = add i32 %sum87, %18 63 %sum89 = add i32 %sum88, %19 64 %sum90 = add i32 %sum89, %20 65 %sub15 = sub i32 %21, %sum90 66 %sub16 = add i32 %sub15, %factor 67 %sub17 = add i32 %sub16, %factor67 68 %sub18 = add i32 %sub17, %factor68 69 %sub19 = add i32 %sub18, %factor69 70 %sub20 = add i32 %sub19, %factor70 71 %sub21 = add i32 %sub20, %factor71 72 %add = add i32 %sub21, %factor72 73 ret i32 %add 74 } 75
