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view test/CodeGen/X86/v-binop-widen2.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children |
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; RUN: llc -march=x86 -mcpu=generic -mattr=+sse < %s | FileCheck %s ; RUN: llc -march=x86 -mcpu=atom -mattr=+sse < %s | FileCheck -check-prefix=ATOM %s %vec = type <6 x float> ; CHECK: divps ; CHECK: divss ; CHECK: divss ; Scheduler causes a different instruction order to be produced on Intel Atom ; ATOM: divps ; ATOM: divss ; ATOM: divss define %vec @vecdiv( %vec %p1, %vec %p2) { %result = fdiv %vec %p1, %p2 ret %vec %result } @a = constant %vec < float 2.0, float 4.0, float 8.0, float 16.0, float 32.0, float 64.0 > @b = constant %vec < float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0 > ; Expected result: < 1.0, 2.0, 4.0, ..., 2.0^(n-1) > ; main() returns 0 if the result is expected and 1 otherwise ; to execute, use llvm-as < %s | lli define i32 @main() nounwind { entry: %avec = load %vec* @a %bvec = load %vec* @b %res = call %vec @vecdiv(%vec %avec, %vec %bvec) br label %loop loop: %idx = phi i32 [0, %entry], [%nextInd, %looptail] %expected = phi float [1.0, %entry], [%nextExpected, %looptail] %elem = extractelement %vec %res, i32 %idx %expcmp = fcmp oeq float %elem, %expected br i1 %expcmp, label %looptail, label %return looptail: %nextExpected = fmul float %expected, 2.0 %nextInd = add i32 %idx, 1 %cmp = icmp slt i32 %nextInd, 6 br i1 %cmp, label %loop, label %return return: %retval = phi i32 [0, %looptail], [1, %loop] ret i32 %retval }