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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130560 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
1.4 KiB
LLVM
64 lines
1.4 KiB
LLVM
; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
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; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
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; Very basic fast-isel functionality.
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define i32 @add(i32 %a, i32 %b) nounwind {
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entry:
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%a.addr = alloca i32, align 4
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%b.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr
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store i32 %b, i32* %b.addr
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%tmp = load i32* %a.addr
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%tmp1 = load i32* %b.addr
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%add = add nsw i32 %tmp, %tmp1
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ret i32 %add
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}
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; Check truncate to bool
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define void @test1(i32 %tmp) nounwind {
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entry:
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%tobool = trunc i32 %tmp to i1
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br i1 %tobool, label %if.then, label %if.end
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if.then: ; preds = %entry
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call void @test1(i32 0)
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br label %if.end
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if.end: ; preds = %if.then, %entry
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ret void
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; ARM: test1:
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; ARM: tst r0, #1
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; THUMB: test1:
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; THUMB: tst.w r0, #1
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}
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; Check some simple operations with immediates
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define void @test2(i32 %tmp, i32* %ptr) nounwind {
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; THUMB: test2:
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; ARM: test2:
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b1:
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%a = add i32 %tmp, 4096
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store i32 %a, i32* %ptr
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br label %b2
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; THUMB: add.w {{.*}} #4096
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; ARM: add {{.*}} #1, #20
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b2:
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%b = add i32 %tmp, 4095
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store i32 %b, i32* %ptr
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br label %b3
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; THUMB: addw {{.*}} #4095
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; ARM: movw {{.*}} #4095
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; ARM: add
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b3:
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%c = or i32 %tmp, 4
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store i32 %c, i32* %ptr
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ret void
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; THUMB: orr {{.*}} #4
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; ARM: orr {{.*}} #4
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}
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