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llvm-mirror/test/CodeGen/X86/change-compare-stride-trickiness-1.ll
Dan Gohman d108d2b2f8 Move x86-specific tests out of test/Transforms/LoopStrengthReduce and
into test/CodeGen/X86, so that they aren't run when the x86 target is
not enabled.

Fix uglygep.ll to not be x86-specific.

llvm-svn: 110343
2010-08-05 17:04:15 +00:00

29 lines
1.1 KiB
LLVM

; RUN: llc %s -o - --x86-asm-syntax=att | grep {cmp. \$10}
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-apple-darwin9"
; The comparison happens after the relevant use, so the stride can easily
; be changed. The comparison can be done in a narrower mode than the
; induction variable.
; TODO: By making the first store post-increment as well, the loop setup
; could be made simpler.
define void @foo() nounwind {
entry:
br label %loop
loop:
%indvar = phi i32 [ 0, %entry ], [ %i.2.0.us1534, %loop ] ; <i32> [#uses=1]
%i.2.0.us1534 = add i32 %indvar, 1 ; <i32> [#uses=3]
%tmp628.us1540 = shl i32 %i.2.0.us1534, 1 ; <i32> [#uses=1]
%tmp645646647.us1547 = sext i32 %tmp628.us1540 to i64 ; <i64> [#uses=1]
store i64 %tmp645646647.us1547, i64* null
%tmp611.us1535 = icmp eq i32 %i.2.0.us1534, 4 ; <i1> [#uses=2]
%tmp623.us1538 = select i1 %tmp611.us1535, i32 6, i32 0 ; <i32> [#uses=1]
store i32 %tmp623.us1538, i32* null
br i1 %tmp611.us1535, label %exit, label %loop
exit:
ret void
}