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27 lines
1004 B
LLVM
27 lines
1004 B
LLVM
; RUN: llc < %s -march=arm | FileCheck %s
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; RUN: llc < %s -march=arm -mcpu=swift | FileCheck %s
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; CHECK: test1:
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; CHECK: ldr {{.*, \[.*]}}, -r2
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; CHECK-NOT: ldr
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define i32 @test1(i32 %a, i32 %b, i32 %c) {
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%tmp1 = mul i32 %a, %b ; <i32> [#uses=2]
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%tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1]
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%tmp3 = load i32* %tmp2 ; <i32> [#uses=1]
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%tmp4 = sub i32 %tmp1, %c ; <i32> [#uses=1]
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%tmp5 = mul i32 %tmp4, %tmp3 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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; CHECK: test2:
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; CHECK: ldr {{.*, \[.*\]}}, #-16
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; CHECK-NOT: ldr
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define i32 @test2(i32 %a, i32 %b) {
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%tmp1 = mul i32 %a, %b ; <i32> [#uses=2]
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%tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1]
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%tmp3 = load i32* %tmp2 ; <i32> [#uses=1]
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%tmp4 = sub i32 %tmp1, 16 ; <i32> [#uses=1]
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%tmp5 = mul i32 %tmp4, %tmp3 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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