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a398d11527
and use it in FastISelEmitter.cpp, and make FastISel subtarget aware. Among other things, this lets it work properly on x86 targets that don't have SSE, where it successfully selects x87 instructions. llvm-svn: 55156
44 lines
770 B
LLVM
44 lines
770 B
LLVM
; RUN: llvm-as < %s | llc -fast-isel -march=x86
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; This tests very minimal fast-isel functionality.
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define i32* @foo(i32* %p, i32* %q, i32** %z) {
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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) {
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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 = add double %r, %s
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%t1 = mul double %t0, %s
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%t2 = sub double %t1, %s
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br label %exit
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exit:
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ret double %t2
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}
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