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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/arm64-spill-lr.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

74 lines
2.7 KiB
LLVM

; RUN: llc -mtriple=arm64-apple-ios < %s
@bar = common global i32 0, align 4
; Leaf function which uses all callee-saved registers and allocates >= 256 bytes
; on the stack this will cause determineCalleeSaves() to spill LR as an
; additional scratch register.
;
; This is a crash-only regression test for rdar://15124582.
define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) nounwind {
entry:
%stack = alloca [128 x i32], align 4
%idxprom = sext i32 %a to i64
%arrayidx = getelementptr inbounds [128 x i32], ptr %stack, i64 0, i64 %idxprom
store i32 %b, ptr %arrayidx, align 4
%0 = load volatile i32, ptr @bar, align 4
%1 = load volatile i32, ptr @bar, align 4
%2 = load volatile i32, ptr @bar, align 4
%3 = load volatile i32, ptr @bar, align 4
%4 = load volatile i32, ptr @bar, align 4
%5 = load volatile i32, ptr @bar, align 4
%6 = load volatile i32, ptr @bar, align 4
%7 = load volatile i32, ptr @bar, align 4
%8 = load volatile i32, ptr @bar, align 4
%9 = load volatile i32, ptr @bar, align 4
%10 = load volatile i32, ptr @bar, align 4
%11 = load volatile i32, ptr @bar, align 4
%12 = load volatile i32, ptr @bar, align 4
%13 = load volatile i32, ptr @bar, align 4
%14 = load volatile i32, ptr @bar, align 4
%15 = load volatile i32, ptr @bar, align 4
%16 = load volatile i32, ptr @bar, align 4
%17 = load volatile i32, ptr @bar, align 4
%18 = load volatile i32, ptr @bar, align 4
%19 = load volatile i32, ptr @bar, align 4
%idxprom1 = sext i32 %c to i64
%arrayidx2 = getelementptr inbounds [128 x i32], ptr %stack, i64 0, i64 %idxprom1
%20 = load i32, ptr %arrayidx2, align 4
%factor = mul i32 %h, -2
%factor67 = mul i32 %g, -2
%factor68 = mul i32 %f, -2
%factor69 = mul i32 %e, -2
%factor70 = mul i32 %d, -2
%factor71 = mul i32 %c, -2
%factor72 = mul i32 %b, -2
%sum = add i32 %1, %0
%sum73 = add i32 %sum, %2
%sum74 = add i32 %sum73, %3
%sum75 = add i32 %sum74, %4
%sum76 = add i32 %sum75, %5
%sum77 = add i32 %sum76, %6
%sum78 = add i32 %sum77, %7
%sum79 = add i32 %sum78, %8
%sum80 = add i32 %sum79, %9
%sum81 = add i32 %sum80, %10
%sum82 = add i32 %sum81, %11
%sum83 = add i32 %sum82, %12
%sum84 = add i32 %sum83, %13
%sum85 = add i32 %sum84, %14
%sum86 = add i32 %sum85, %15
%sum87 = add i32 %sum86, %16
%sum88 = add i32 %sum87, %17
%sum89 = add i32 %sum88, %18
%sum90 = add i32 %sum89, %19
%sub15 = sub i32 %20, %sum90
%sub16 = add i32 %sub15, %factor
%sub17 = add i32 %sub16, %factor67
%sub18 = add i32 %sub17, %factor68
%sub19 = add i32 %sub18, %factor69
%sub20 = add i32 %sub19, %factor70
%sub21 = add i32 %sub20, %factor71
%add = add i32 %sub21, %factor72
ret i32 %add
}