Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/fast-isel-gep.ll

@@ -1,138 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-linux -O0 | FileCheck %s --check-prefix=X64
-; RUN: llc < %s -mtriple=x86_64-windows-itanium -O0 | FileCheck %s --check-prefix=X64
-; RUN: llc < %s -mtriple=i686-- -O0 | FileCheck %s --check-prefix=X32
-
-; GEP indices are interpreted as signed integers, so they
-; should be sign-extended to 64 bits on 64-bit targets.
-; PR3181
-define i32 @test1(i32 %t3, i32* %t1) nounwind {
-       %t9 = getelementptr i32, i32* %t1, i32 %t3           ; <i32*> [#uses=1]
-       %t15 = load i32, i32* %t9            ; <i32> [#uses=1]
-       ret i32 %t15
-; X32-LABEL: test1:
-; X32:  	movl	(%eax,%ecx,4), %eax
-; X32:  	ret
-
-; X64-LABEL: test1:
-; X64:  	movslq	%e[[A0:di|cx]], %rax
-; X64:  	movl	(%r[[A1:si|dx]],%rax,4), %eax
-; X64:  	ret
-
-}
-define i32 @test2(i64 %t3, i32* %t1) nounwind {
-       %t9 = getelementptr i32, i32* %t1, i64 %t3           ; <i32*> [#uses=1]
-       %t15 = load i32, i32* %t9            ; <i32> [#uses=1]
-       ret i32 %t15
-; X32-LABEL: test2:
-; X32:  	movl	(%edx,%ecx,4), %e
-; X32:  	ret
-
-; X64-LABEL: test2:
-; X64:  	movl	(%r[[A1]],%r[[A0]],4), %eax
-; X64:  	ret
-}
-
-
-
-; PR4984
-define i8 @test3(i8* %start) nounwind {
-entry:
-  %A = getelementptr i8, i8* %start, i64 -2               ; <i8*> [#uses=1]
-  %B = load i8, i8* %A, align 1                       ; <i8> [#uses=1]
-  ret i8 %B
-  
-  
-; X32-LABEL: test3:
-; X32:  	movl	4(%esp), %eax
-; X32:  	movb	-2(%eax), %al
-; X32:  	ret
-
-; X64-LABEL: test3:
-; X64:  	movb	-2(%r[[A0]]), %al
-; X64:  	ret
-
-}
-
-define double @test4(i64 %x, double* %p) nounwind {
-entry:
-  %x.addr = alloca i64, align 8                   ; <i64*> [#uses=2]
-  %p.addr = alloca double*, align 8               ; <double**> [#uses=2]
-  store i64 %x, i64* %x.addr
-  store double* %p, double** %p.addr
-  %tmp = load i64, i64* %x.addr                        ; <i64> [#uses=1]
-  %add = add nsw i64 %tmp, 16                     ; <i64> [#uses=1]
-  %tmp1 = load double*, double** %p.addr                   ; <double*> [#uses=1]
-  %arrayidx = getelementptr inbounds double, double* %tmp1, i64 %add ; <double*> [#uses=1]
-  %tmp2 = load double, double* %arrayidx                  ; <double> [#uses=1]
-  ret double %tmp2
-
-; X32-LABEL: test4:
-; X32: 128(%e{{.*}},%e{{.*}},8)
-; X64-LABEL: test4:
-; X64: 128(%r{{.*}},%r{{.*}},8)
-}
-
-; PR8961 - Make sure the sext for the GEP addressing comes before the load that
-; is folded.
-define i64 @test5(i8* %A, i32 %I, i64 %B) nounwind {
-  %v8 = getelementptr i8, i8* %A, i32 %I
-  %v9 = bitcast i8* %v8 to i64*
-  %v10 = load i64, i64* %v9
-  %v11 = add i64 %B, %v10
-  ret i64 %v11
-; X64-LABEL: test5:
-; X64: movslq	%e[[A1]], %rax
-; X64-NEXT: (%r[[A0]],%rax),
-; X64: ret
-}
-
-; PR9500, rdar://9156159 - Don't do non-local address mode folding,
-; because it may require values which wouldn't otherwise be live out
-; of their blocks.
-define void @test6() personality i32 (...)* @__gxx_personality_v0 {
-if.end:                                           ; preds = %if.then, %invoke.cont
-  %tmp15 = load i64, i64* undef
-  %dec = add i64 %tmp15, 13
-  store i64 %dec, i64* undef
-  %call17 = invoke i8* @_ZNK18G__FastAllocString4dataEv()
-          to label %invoke.cont16 unwind label %lpad
-
-invoke.cont16:                                    ; preds = %if.then14
-  %arrayidx18 = getelementptr inbounds i8, i8* %call17, i64 %dec
-  store i8 0, i8* %arrayidx18
-  unreachable
-
-lpad:                                             ; preds = %if.end19, %if.then14, %if.end, %entry
-  %exn = landingpad {i8*, i32}
-            cleanup
-  unreachable
-}
-declare i8* @_ZNK18G__FastAllocString4dataEv() nounwind
-
-
-; PR10605 / rdar://9930964 - Don't fold loads incorrectly.  The load should
-; happen before the store.  
-define i32 @test7({i32,i32,i32}* %tmp1, i32 %tmp71, i32 %tmp63) nounwind  {
-; X64-LABEL: test7:
-; X64:    movl	8({{%rdi|%rcx}}), %eax
-; X64:     movl	$4, 8({{%rdi|%rcx}})
-
-
-  %tmp29 = getelementptr inbounds {i32,i32,i32}, {i32,i32,i32}* %tmp1, i32 0, i32 2
-  %tmp30 = load i32, i32* %tmp29, align 4
-
-  %p2 = getelementptr inbounds {i32,i32,i32}, {i32,i32,i32}* %tmp1, i32 0, i32 2
-  store i32 4, i32* %p2
-  
-  %tmp72 = or i32 %tmp71, %tmp30
-  %tmp73 = icmp ne i32 %tmp63, 32
-  br i1 %tmp73, label %T, label %F
-
-T:
-  ret i32 %tmp72
-
-F:
-  ret i32 4
-}
-
-declare i32 @__gxx_personality_v0(...)