Test cases for 64-bit load and store instructions.

llvm-svn: 141631

1 files changed, 157 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Mips/mips64intldst.ll b/llvm/test/CodeGen/Mips/mips64intldst.ll
new file mode 100644
index 00000000000..fdf496b1918
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/mips64intldst.ll
@@ -0,0 +1,157 @@
+; RUN: llc  < %s -march=mips64el -mcpu=mips64r1 -mattr=n64 | FileCheck %s -check-prefix=CHECK-N64
+; RUN: llc  < %s -march=mips64el -mcpu=mips64r1 -mattr=n32 | FileCheck %s -check-prefix=CHECK-N32
+
+@c = common global i8 0, align 4
+@s = common global i16 0, align 4
+@i = common global i32 0, align 4
+@l = common global i64 0, align 8
+@uc = common global i8 0, align 4
+@us = common global i16 0, align 4
+@ui = common global i32 0, align 4
+@l1 = common global i64 0, align 8
+
+define i64 @func1() nounwind readonly {
+entry:
+; CHECK-N64: func1
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(c)
+; CHECK-N64: lb ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: func1
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(c)
+; CHECK-N32: lb ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i8* @c, align 4
+  %conv = sext i8 %0 to i64
+  ret i64 %conv
+}
+
+define i64 @func2() nounwind readonly {
+entry:
+; CHECK-N64: func2
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(s)
+; CHECK-N64: lh ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: func2
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(s)
+; CHECK-N32: lh ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i16* @s, align 4
+  %conv = sext i16 %0 to i64
+  ret i64 %conv
+}
+
+define i64 @func3() nounwind readonly {
+entry:
+; CHECK-N64: func3
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(i)
+; CHECK-N64: lw ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: func3
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(i)
+; CHECK-N32: lw ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i32* @i, align 4
+  %conv = sext i32 %0 to i64
+  ret i64 %conv
+}
+
+define i64 @func4() nounwind readonly {
+entry:
+; CHECK-N64: func4
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(l)
+; CHECK-N64: ld ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: func4
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(l)
+; CHECK-N32: ld ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i64* @l, align 8
+  ret i64 %0
+}
+
+define i64 @ufunc1() nounwind readonly {
+entry:
+; CHECK-N64: ufunc1
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(uc)
+; CHECK-N64: lbu ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: ufunc1
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(uc)
+; CHECK-N32: lbu ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i8* @uc, align 4
+  %conv = zext i8 %0 to i64
+  ret i64 %conv
+}
+
+define i64 @ufunc2() nounwind readonly {
+entry:
+; CHECK-N64: ufunc2
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(us)
+; CHECK-N64: lhu ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: ufunc2
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(us)
+; CHECK-N32: lhu ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i16* @us, align 4
+  %conv = zext i16 %0 to i64
+  ret i64 %conv
+}
+
+define i64 @ufunc3() nounwind readonly {
+entry:
+; CHECK-N64: ufunc3
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(ui)
+; CHECK-N64: lwu ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: ufunc3
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(ui)
+; CHECK-N32: lwu ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i32* @ui, align 4
+  %conv = zext i32 %0 to i64
+  ret i64 %conv
+}
+
+define void @sfunc1() nounwind {
+entry:
+; CHECK-N64: sfunc1
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(c)
+; CHECK-N64: sb ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: sfunc1
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(c)
+; CHECK-N32: sb ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i64* @l1, align 8
+  %conv = trunc i64 %0 to i8
+  store i8 %conv, i8* @c, align 4
+  ret void
+}
+
+define void @sfunc2() nounwind {
+entry:
+; CHECK-N64: sfunc2
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(s)
+; CHECK-N64: sh ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: sfunc2
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(s)
+; CHECK-N32: sh ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i64* @l1, align 8
+  %conv = trunc i64 %0 to i16
+  store i16 %conv, i16* @s, align 4
+  ret void
+}
+
+define void @sfunc3() nounwind {
+entry:
+; CHECK-N64: sfunc3
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(i)
+; CHECK-N64: sw ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: sfunc3
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(i)
+; CHECK-N32: sw ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i64* @l1, align 8
+  %conv = trunc i64 %0 to i32
+  store i32 %conv, i32* @i, align 4
+  ret void
+}
+
+define void @sfunc4() nounwind {
+entry:
+; CHECK-N64: sfunc4
+; CHECK-N64: ld $[[R0:[0-9]+]], %got_disp(l)
+; CHECK-N64: sd ${{[0-9]+}}, 0($[[R0]])
+; CHECK-N32: sfunc4
+; CHECK-N32: lw $[[R0:[0-9]+]], %got(l)
+; CHECK-N32: sd ${{[0-9]+}}, 0($[[R0]])
+  %0 = load i64* @l1, align 8
+  store i64 %0, i64* @l, align 8
+  ret void
+}
+