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ae3a0be92e
integer and floating-point opcodes, introducing FAdd, FSub, and FMul. For now, the AsmParser, BitcodeReader, and IRBuilder all preserve backwards compatability, and the Core LLVM APIs preserve backwards compatibility for IR producers. Most front-ends won't need to change immediately. This implements the first step of the plan outlined here: http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
1.3 KiB
LLVM
67 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | llc -fast-isel -fast-isel-abort -march=x86 -mattr=sse2
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; This tests very minimal fast-isel functionality.
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define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
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entry:
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%r = load i32* %p
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%s = load i32* %q
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%y = load i32** %z
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br label %fast
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fast:
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%t0 = add i32 %r, %s
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%t1 = mul i32 %t0, %s
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%t2 = sub i32 %t1, %s
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%t3 = and i32 %t2, %s
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%t4 = or i32 %t3, %s
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%t5 = xor i32 %t4, %s
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%t6 = add i32 %t5, 2
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%t7 = getelementptr i32* %y, i32 1
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%t8 = getelementptr i32* %t7, i32 %t6
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br label %exit
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exit:
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ret i32* %t8
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}
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define double @bar(double* %p, double* %q) nounwind {
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entry:
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%r = load double* %p
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%s = load double* %q
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br label %fast
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fast:
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%t0 = fadd double %r, %s
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%t1 = fmul double %t0, %s
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%t2 = fsub double %t1, %s
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%t3 = fadd double %t2, 707.0
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br label %exit
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exit:
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ret double %t3
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}
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define i32 @cast() nounwind {
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entry:
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%tmp2 = bitcast i32 0 to i32
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ret i32 %tmp2
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}
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define i1 @ptrtoint_i1(i8* %p) nounwind {
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%t = ptrtoint i8* %p to i1
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ret i1 %t
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}
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define i8* @inttoptr_i1(i1 %p) nounwind {
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%t = inttoptr i1 %p to i8*
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ret i8* %t
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}
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define i32 @ptrtoint_i32(i8* %p) nounwind {
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%t = ptrtoint i8* %p to i32
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ret i32 %t
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}
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define i8* @inttoptr_i32(i32 %p) nounwind {
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%t = inttoptr i32 %p to i8*
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ret i8* %t
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}
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