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fef30fcd5e
- Check getBytesToPopOnReturn(). - Eschew ST0 and ST1 for return values. - Fix the PIC base register initialization so that it doesn't ever fail to end up the top of the entry block. llvm-svn: 108039
95 lines
1.8 KiB
LLVM
95 lines
1.8 KiB
LLVM
; RUN: llc < %s -fast-isel -fast-isel-abort -march=x86 -mattr=sse2
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; RUN: llc < %s -fast-isel -fast-isel-abort -march=x86-64
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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 = xor i32 %t3, 3
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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 void @ptrtoint_i1(i8* %p, i1* %q) nounwind {
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%t = ptrtoint i8* %p to i1
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store i1 %t, i1* %q
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ret void
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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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define i8 @trunc_i32_i8(i32 %x) signext nounwind {
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%tmp1 = trunc i32 %x to i8
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ret i8 %tmp1
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}
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define i8 @trunc_i16_i8(i16 signext %x) signext nounwind {
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%tmp1 = trunc i16 %x to i8
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ret i8 %tmp1
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}
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define i8 @shl_i8(i8 %a, i8 %c) nounwind {
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%tmp = shl i8 %a, %c
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ret i8 %tmp
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}
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define i8 @mul_i8(i8 %a) nounwind {
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%tmp = mul i8 %a, 17
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ret i8 %tmp
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}
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define void @load_store_i1(i1* %p, i1* %q) nounwind {
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%t = load i1* %p
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store i1 %t, i1* %q
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ret void
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}
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