; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -march=x86 -O0 | FileCheck %s --check-prefix=X32
-; PR3181
; 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* %t1, i32 %t3 ; <i32*> [#uses=1]
%t15 = load i32* %t9 ; <i32> [#uses=1]
ret i32 %t15
; X32: test1:
-; X32: movl (%ecx,%eax,4), %eax
+; X32: movl (%eax,%ecx,4), %eax
; X32: ret
; X64: test1:
%t15 = load i32* %t9 ; <i32> [#uses=1]
ret i32 %t15
; X32: test2:
-; X32: movl (%eax,%ecx,4), %eax
+; X32: movl (%edx,%ecx,4), %eax
; X32: ret
; X64: test2:
; X64: movl (%rsi,%rdi,4), %eax
; X64: ret
}
+
+
+
+; PR4984
+define i8 @test3(i8* %start) nounwind {
+entry:
+ %A = getelementptr i8* %start, i64 -2 ; <i8*> [#uses=1]
+ %B = load i8* %A, align 1 ; <i8> [#uses=1]
+ ret i8 %B
+
+
+; X32: test3:
+; X32: movl 4(%esp), %eax
+; X32: movb -2(%eax), %al
+; X32: ret
+
+; X64: test3:
+; X64: movb -2(%rdi), %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* %x.addr ; <i64> [#uses=1]
+ %add = add nsw i64 %tmp, 16 ; <i64> [#uses=1]
+ %tmp1 = load double** %p.addr ; <double*> [#uses=1]
+ %arrayidx = getelementptr inbounds double* %tmp1, i64 %add ; <double*> [#uses=1]
+ %tmp2 = load double* %arrayidx ; <double> [#uses=1]
+ ret double %tmp2
+
+; X32: test4:
+; X32: 128(%e{{.*}},%e{{.*}},8)
+; X64: test4:
+; X64: 128(%r{{.*}},%r{{.*}},8)
+}