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llvm-mirror/test/Transforms/DeadStoreElimination/memcpy.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

53 lines
3.1 KiB
LLVM

; RUN: opt < %s -dse -S | not grep alloca
; ModuleID = 'placeholder.adb'
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-f80:32:32"
target triple = "i686-pc-linux-gnu"
%struct.placeholder__T5b = type { i32, [1 x i32] }
%struct.placeholder__an_interval___PAD = type { %struct.placeholder__interval, [4 x i32] }
%struct.placeholder__interval = type { i32, i32 }
%struct.placeholder__s__s__the_interval___PAD = type { %struct.placeholder__interval }
define void @_ada_placeholder() nounwind {
entry:
%an_interval = alloca %struct.placeholder__an_interval___PAD ; <%struct.placeholder__an_interval___PAD*> [#uses=3]
%tmp34 = bitcast %struct.placeholder__an_interval___PAD* %an_interval to %struct.placeholder__T5b* ; <%struct.placeholder__T5b*> [#uses=1]
%tmp5 = getelementptr %struct.placeholder__an_interval___PAD* %an_interval, i32 0, i32 0, i32 0 ; <i32*> [#uses=2]
store i32 1, i32* %tmp5, align 8
%tmp10 = getelementptr %struct.placeholder__T5b* %tmp34, i32 0, i32 1, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp10, align 4
%tmp82 = load i32* %tmp5, align 8 ; <i32> [#uses=5]
%tmp83 = icmp slt i32 %tmp82, 6 ; <i1> [#uses=1]
%min84 = select i1 %tmp83, i32 %tmp82, i32 5 ; <i32> [#uses=3]
%tmp85 = icmp sgt i32 %min84, -1 ; <i1> [#uses=2]
%min84.cast193 = zext i32 %min84 to i64 ; <i64> [#uses=1]
%min84.cast193.op = shl i64 %min84.cast193, 33 ; <i64> [#uses=1]
%tmp104 = icmp sgt i32 %tmp82, -1 ; <i1> [#uses=2]
%tmp103.cast192 = zext i32 %tmp82 to i64 ; <i64> [#uses=1]
%tmp103.cast192.op = shl i64 %tmp103.cast192, 33 ; <i64> [#uses=1]
%min84.cast193.op.op = ashr i64 %min84.cast193.op, 28 ; <i64> [#uses=1]
%sextr121 = select i1 %tmp85, i64 %min84.cast193.op.op, i64 0 ; <i64> [#uses=2]
%tmp103.cast192.op.op = ashr i64 %tmp103.cast192.op, 28 ; <i64> [#uses=1]
%sextr123 = select i1 %tmp104, i64 %tmp103.cast192.op.op, i64 0 ; <i64> [#uses=2]
%tmp124 = icmp sle i64 %sextr121, %sextr123 ; <i1> [#uses=1]
%min125 = select i1 %tmp124, i64 %sextr121, i64 %sextr123 ; <i64> [#uses=1]
%sextr131194 = and i64 %min125, 34359738336 ; <i64> [#uses=1]
%tmp134 = add i64 %sextr131194, 63 ; <i64> [#uses=1]
lshr i64 %tmp134, 3 ; <i64>:0 [#uses=1]
%tmp150188.shrunk = trunc i64 %0 to i32 ; <i32> [#uses=1]
%tmp159 = and i32 %tmp150188.shrunk, -4 ; <i32> [#uses=1]
%tmp161 = alloca i8, i32 %tmp159 ; <i8*> [#uses=1]
%min167.op = shl i32 %min84, 2 ; <i32> [#uses=1]
%tmp170 = select i1 %tmp85, i32 %min167.op, i32 0 ; <i32> [#uses=2]
%tmp173.op = shl i32 %tmp82, 2 ; <i32> [#uses=1]
%tmp176 = select i1 %tmp104, i32 %tmp173.op, i32 0 ; <i32> [#uses=2]
%tmp177 = icmp sle i32 %tmp170, %tmp176 ; <i1> [#uses=1]
%min178 = select i1 %tmp177, i32 %tmp170, i32 %tmp176 ; <i32> [#uses=1]
%tmp179 = add i32 %min178, 7 ; <i32> [#uses=1]
%tmp180 = and i32 %tmp179, -4 ; <i32> [#uses=1]
%tmp183185 = bitcast %struct.placeholder__an_interval___PAD* %an_interval to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i32( i8* %tmp161, i8* %tmp183185, i32 %tmp180, i32 4 )
ret void
}
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind