llvm-6502/test/CodeGen/X86/2008-08-23-X86-64AsmBug.ll
Dan Gohman ee1c870778 Eliminate the other half of the BRCOND optimization, and update
as many tests as possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24 15:24:03 +00:00

60 lines
2.3 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin | grep movd | count 1
; RUN: llc < %s -mtriple=x86_64-apple-darwin | grep movq
; PR2677
%struct.Bigint = type { %struct.Bigint*, i32, i32, i32, i32, [1 x i32] }
define double @_Z7qstrtodPKcPS0_Pb(i8* %s00, i8** %se, i8* %ok) nounwind {
entry:
br label %bb163
bb151: ; preds = %entry
br label %bb163
bb163: ; preds = %bb151, %entry
%tmp366 = load double* null, align 8 ; <double> [#uses=1]
%tmp368 = fmul double %tmp366, 0.000000e+00 ; <double> [#uses=1]
%tmp368226 = bitcast double %tmp368 to i64 ; <i64> [#uses=1]
br label %bb5.i
bb5.i: ; preds = %bb5.i57.i, %bb163
%b.0.i = phi %struct.Bigint* [ null, %bb163 ] ; <%struct.Bigint*> [#uses=1]
%tmp3.i7.i728 = load i32* null, align 4 ; <i32> [#uses=1]
br label %bb.i27.i
bb.i27.i: ; preds = %bb.i27.i, %bb5.i
%tmp23.i20.i = lshr i32 0, 16 ; <i32> [#uses=1]
br label %bb5.i57.i
bb5.i57.i: ; preds = %bb.i27.i
%tmp50.i35.i = load i32* null, align 4 ; <i32> [#uses=1]
%tmp51.i36.i = add i32 %tmp50.i35.i, 1 ; <i32> [#uses=2]
%tmp2.i.i37.i = shl i32 1, %tmp51.i36.i ; <i32> [#uses=2]
%tmp4.i.i38.i = shl i32 %tmp2.i.i37.i, 2 ; <i32> [#uses=1]
%tmp7.i.i39.i = add i32 %tmp4.i.i38.i, 28 ; <i32> [#uses=1]
%tmp8.i.i40.i = malloc i8, i32 %tmp7.i.i39.i ; <i8*> [#uses=1]
%tmp9.i.i41.i = bitcast i8* %tmp8.i.i40.i to %struct.Bigint* ; <%struct.Bigint*> [#uses=2]
store i32 %tmp51.i36.i, i32* null, align 8
store i32 %tmp2.i.i37.i, i32* null, align 4
free %struct.Bigint* %b.0.i
store i32 %tmp23.i20.i, i32* null, align 4
%tmp74.i61.i = add i32 %tmp3.i7.i728, 1 ; <i32> [#uses=1]
store i32 %tmp74.i61.i, i32* null, align 4
br label %bb7.i
bb7.i: ; preds = %bb5.i57.i
%tmp514 = load i32* null, align 4 ; <i32> [#uses=1]
%tmp515 = sext i32 %tmp514 to i64 ; <i64> [#uses=1]
%tmp516 = shl i64 %tmp515, 2 ; <i64> [#uses=1]
%tmp517 = add i64 %tmp516, 8 ; <i64> [#uses=1]
%tmp519 = getelementptr %struct.Bigint* %tmp9.i.i41.i, i32 0, i32 3 ; <i32*> [#uses=1]
%tmp523 = bitcast i32* %tmp519 to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.i64( i8* null, i8* %tmp523, i64 %tmp517, i32 1 )
%tmp524136 = bitcast i64 %tmp368226 to double ; <double> [#uses=1]
store double %tmp524136, double* null
unreachable
}
declare void @llvm.memcpy.i64(i8*, i8*, i64, i32) nounwind