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5f6f8101d5
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 llvm-svn: 72897
25 lines
1.1 KiB
LLVM
25 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin9 -mattr=+sse2 | not grep movl
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%struct.dpoint = type { double, double }
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define %struct.dpoint @midpoint(i64 %p1.0, i64 %p2.0) nounwind readnone {
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entry:
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%0 = trunc i64 %p1.0 to i32 ; <i32> [#uses=1]
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%1 = sitofp i32 %0 to double ; <double> [#uses=1]
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%2 = trunc i64 %p2.0 to i32 ; <i32> [#uses=1]
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%3 = sitofp i32 %2 to double ; <double> [#uses=1]
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%4 = fadd double %1, %3 ; <double> [#uses=1]
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%5 = fmul double %4, 5.000000e-01 ; <double> [#uses=1]
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%6 = lshr i64 %p1.0, 32 ; <i64> [#uses=1]
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%7 = trunc i64 %6 to i32 ; <i32> [#uses=1]
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%8 = sitofp i32 %7 to double ; <double> [#uses=1]
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%9 = lshr i64 %p2.0, 32 ; <i64> [#uses=1]
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%10 = trunc i64 %9 to i32 ; <i32> [#uses=1]
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%11 = sitofp i32 %10 to double ; <double> [#uses=1]
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%12 = fadd double %8, %11 ; <double> [#uses=1]
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%13 = fmul double %12, 5.000000e-01 ; <double> [#uses=1]
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%mrv3 = insertvalue %struct.dpoint undef, double %5, 0 ; <%struct.dpoint> [#uses=1]
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%mrv4 = insertvalue %struct.dpoint %mrv3, double %13, 1 ; <%struct.dpoint> [#uses=1]
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ret %struct.dpoint %mrv4
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}
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