58 lines
1.8 KiB
LLVM
58 lines
1.8 KiB
LLVM
; RUN: llc < %s -mattr=+reserve-r6 -mtriple=arm-linux-gnueabi -O0 -filetype=asm --regalloc=fast 2>&1 | FileCheck %s
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;
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; Equivalent C source code
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; void bar(unsigned int i,
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; unsigned int j,
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; unsigned int k,
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; unsigned int l,
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; unsigned int m,
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; unsigned int n,
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; unsigned int o,
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; unsigned int p)
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; {
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; unsigned int result = i + j + k + l + m + n + o + p;
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; }
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define void @bar(i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p) nounwind {
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entry:
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; CHECK-NOT: push {{{.*}}r6,{{.*}}}
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%i.addr = alloca i32, align 4
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%j.addr = alloca i32, align 4
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%k.addr = alloca i32, align 4
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%l.addr = alloca i32, align 4
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%m.addr = alloca i32, align 4
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%n.addr = alloca i32, align 4
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%o.addr = alloca i32, align 4
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%p.addr = alloca i32, align 4
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%result = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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store i32 %j, i32* %j.addr, align 4
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store i32 %k, i32* %k.addr, align 4
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store i32 %l, i32* %l.addr, align 4
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store i32 %m, i32* %m.addr, align 4
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store i32 %n, i32* %n.addr, align 4
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store i32 %o, i32* %o.addr, align 4
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store i32 %p, i32* %p.addr, align 4
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%0 = load i32, i32* %i.addr, align 4
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%1 = load i32, i32* %j.addr, align 4
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%add = add i32 %0, %1
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%2 = load i32, i32* %k.addr, align 4
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%add1 = add i32 %add, %2
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%3 = load i32, i32* %l.addr, align 4
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%add2 = add i32 %add1, %3
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%4 = load i32, i32* %m.addr, align 4
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%add3 = add i32 %add2, %4
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%5 = load i32, i32* %n.addr, align 4
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%add4 = add i32 %add3, %5
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%6 = load i32, i32* %o.addr, align 4
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%add5 = add i32 %add4, %6
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%7 = load i32, i32* %p.addr, align 4
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%add6 = add i32 %add5, %7
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store i32 %add6, i32* %result, align 4
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; CHECK: {{.*}}r5{{.*}}
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; CHECK-NOT: {{.*}}r6{{.*}}
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ret void
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; CHECK-NOT: pop {{{.*}}r6,{{.*}}}
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}
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