Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/test/CodeGen/Mips/gpopt-explict-section.ll

@@ -0,0 +1,53 @@
+; RUN: llc < %s -march=mips -mcpu=mips32 -mips-ssection-threshold=8 \
+; RUN:     -relocation-model=static -mattr=+noabicalls -mgpopt \
+; RUN:   | FileCheck %s
+
+; Test that object with an explicit section that is not .sdata or .sbss are not
+; considered in the small data section if they would otherwise qualify to be in
+; small data section. Also test that explicitly placing something in the small
+; data section uses %gp_rel addressing mode.
+
+@a = global [2 x i32] zeroinitializer, section ".rodata", align 4
+@b = global [4 x i32] zeroinitializer, section ".sdata", align 4
+@c = global [4 x i32] zeroinitializer, section ".sbss", align 4
+
+; CHECK-LABEL: g
+; CHECK:       lui $[[R:[0-9]+]], %hi(a)
+; CHECK:       lw  ${{[0-9]+}}, %lo(a)($[[R]])
+
+define i32 @g() {
+entry:
+  %0 = load i32, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @a, i32 0, i32 0), align 4
+  ret i32 %0
+}
+
+; CHECK-LABEL: f:
+; CHECK-LABEL: lw ${{[0-9]+}}, %gp_rel(b)($gp)
+
+define i32 @f() {
+entry:
+  %0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @b, i32 0, i32 0), align 4
+  ret i32 %0
+}
+
+; CHECK-LABEL: h:
+; CHECK-LABEL: lw ${{[0-9]+}}, %gp_rel(c)($gp)
+
+define i32 @h() {
+entry:
+  %0 = load i32, i32* getelementptr inbounds ([4 x i32], [4 x i32]* @c, i32 0, i32 0), align 4
+  ret i32 %0
+}
+
+
+; CHECK:  .type a,@object
+; CHECK:  .section  .rodata,"a",@progbits
+; CHECK:  .globl  a
+
+; CHECK:  .type b,@object
+; CHECK:  .section  .sdata,"aw",@progbits
+; CHECK:  .globl  b
+
+; CHECK:  .type c,@object
+; CHECK:  .section  .sbss,"aw",@nobits
+; CHECK:  .globl  c