2022-11-08 09:56:22 +01:00
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--TEST--
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DESSA 003
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--TARGET--
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x86
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--ARGS--
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-S
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--CODE--
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# Figure 8 (swap problem) from "Translating Out of Static Single Assignment Form" by Sreedhar
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{
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uintptr_t c_1 = 0;
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bool c_2 = 0;
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bool c_3 = 1;
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int32_t c_4 = 1;
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int32_t c_12 = 12;
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l_1 = START(l_13);
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int32_t x0 = PARAM(l_1, "x", 0);
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int32_t y1 = PARAM(l_1, "y", 1);
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int32_t cond = PARAM(l_1, "z", 2);
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int32_t x1 = DIV(x0, c_12);
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l_3 = END(l_1);
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l_4 = LOOP_BEGIN(l_3, l_9);
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int32_t x2 = PHI(l_4, x1, x3);
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int32_t y2 = PHI(l_4, y1, y3);
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int32_t z = COPY(x2);
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int32_t x3 = COPY(y2);
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int32_t y3 = COPY(z);
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l_7 = IF(l_4, cond);
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l_8 = IF_TRUE(l_7);
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2023-03-22 22:47:27 +01:00
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l_9 = LOOP_END(l_8);
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2022-11-08 09:56:22 +01:00
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l_10 = IF_FALSE(l_7);
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l_13 = RETURN(l_10, z);
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}
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--EXPECT--
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test:
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subl $8, %esp
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movl %ebx, 4(%esp)
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movl %ebp, (%esp)
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movl 0x10(%esp), %ecx
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movl 0x14(%esp), %ebx
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movl 0xc(%esp), %eax
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movl $0xc, %ebp
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cltd
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idivl %ebp
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.L1:
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testl %ebx, %ebx
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je .L2
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movl %eax, %edx
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movl %ecx, %eax
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movl %edx, %ecx
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jmp .L1
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.L2:
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movl 4(%esp), %ebx
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movl (%esp), %ebp
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addl $8, %esp
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retl
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