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llvm-mirror/test/Transforms/IndVarSimplify/ada-loops.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

91 lines
2.9 KiB
LLVM

; RUN: opt < %s -indvars -S > %t
; RUN: grep phi %t | count 4
; RUN: grep {= phi i32} %t | count 4
; RUN: not grep {sext i} %t
; RUN: not grep {zext i} %t
; RUN: not grep {trunc i} %t
; RUN: not grep {add i8} %t
; PR1301
; Do a bunch of analysis and prove that the loops can use an i32 trip
; count without casting.
; ModuleID = 'ada.bc'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "i686-pc-linux-gnu"
define void @kinds__sbytezero([256 x i32]* nocapture %a) nounwind {
bb.thread:
%tmp46 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 0, i32* %tmp46
br label %bb
bb: ; preds = %bb, %bb.thread
%i.0.reg2mem.0 = phi i8 [ -128, %bb.thread ], [ %tmp8, %bb ] ; <i8> [#uses=1]
%tmp8 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3]
%tmp1 = sext i8 %tmp8 to i32 ; <i32> [#uses=1]
%tmp3 = add i32 %tmp1, 128 ; <i32> [#uses=1]
%tmp4 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp3 ; <i32*> [#uses=1]
store i32 0, i32* %tmp4
%0 = icmp eq i8 %tmp8, 127 ; <i1> [#uses=1]
br i1 %0, label %return, label %bb
return: ; preds = %bb
ret void
}
define void @kinds__ubytezero([256 x i32]* nocapture %a) nounwind {
bb.thread:
%tmp35 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 0, i32* %tmp35
br label %bb
bb: ; preds = %bb, %bb.thread
%i.0.reg2mem.0 = phi i8 [ 0, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=1]
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3]
%tmp1 = zext i8 %tmp7 to i32 ; <i32> [#uses=1]
%tmp3 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp1 ; <i32*> [#uses=1]
store i32 0, i32* %tmp3
%0 = icmp eq i8 %tmp7, -1 ; <i1> [#uses=1]
br i1 %0, label %return, label %bb
return: ; preds = %bb
ret void
}
define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind {
bb.thread:
br label %bb
bb: ; preds = %bb, %bb.thread
%i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
%tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
%tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1]
%tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
store i32 0, i32* %tmp5
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
%0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1]
br i1 %0, label %return, label %bb
return: ; preds = %bb
ret void
}
define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind {
bb.thread:
br label %bb
bb: ; preds = %bb, %bb.thread
%i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
%tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
%tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1]
%tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
store i32 0, i32* %tmp5
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
%0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1]
br i1 %0, label %return, label %bb
return: ; preds = %bb
ret void
}