-; RUN: llvm-as < %s | llc | grep {bl L_exact_log2.stub}
+; RUN: llc < %s -relocation-model=static | FileCheck %s -check-prefix=STATIC
+; RUN: llc < %s -relocation-model=pic -mtriple=powerpc-apple-darwin8 | FileCheck %s -check-prefix=PIC
+; RUN: llc < %s -relocation-model=pic -mtriple=powerpc-unknown-linux | FileCheck %s -check-prefix=PICELF
+; RUN: llc < %s -relocation-model=pic -mtriple=powerpc64-apple-darwin8 | FileCheck %s -check-prefix=PIC64
+; RUN: llc < %s -relocation-model=dynamic-no-pic -mtriple=powerpc-apple-darwin8 | FileCheck %s -check-prefix=DYNAMIC
+; RUN: llc < %s -relocation-model=dynamic-no-pic -mtriple=powerpc64-apple-darwin8 | FileCheck %s -check-prefix=DYNAMIC64
; PR4482
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "powerpc-apple-darwin8"
define i32 @foo(i64 %x) nounwind {
entry:
- %x_addr = alloca i64 ; <i64*> [#uses=2]
- %retval = alloca i32 ; <i32*> [#uses=2]
- %0 = alloca i32 ; <i32*> [#uses=2]
- %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
- store i64 %x, i64* %x_addr
- %1 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %2 = call i32 @exact_log2(i64 %1) nounwind ; <i32> [#uses=1]
- store i32 %2, i32* %0, align 4
- %3 = load i32* %0, align 4 ; <i32> [#uses=1]
- store i32 %3, i32* %retval, align 4
- br label %return
-
-return: ; preds = %entry
- %retval1 = load i32* %retval ; <i32> [#uses=1]
- ret i32 %retval1
+; STATIC: _foo:
+; STATIC: bl _exact_log2
+; STATIC: blr
+; STATIC: .subsections_via_symbols
+
+; PIC: _foo:
+; PIC: bl L_exact_log2$stub
+; PIC: blr
+
+; PICELF: foo:
+; PICELF: bl exact_log2@PLT
+; PICELF: blr
+
+; PIC64: _foo:
+; PIC64: bl L_exact_log2$stub
+; PIC64: blr
+
+; DYNAMIC: _foo:
+; DYNAMIC: bl L_exact_log2$stub
+; DYNAMIC: blr
+
+; DYNAMIC64: _foo:
+; DYNAMIC64: bl L_exact_log2$stub
+; DYNAMIC64: blr
+
+ %A = call i32 @exact_log2(i64 %x) nounwind
+ ret i32 %A
}
define available_externally i32 @exact_log2(i64 %x) nounwind {
entry:
- %x_addr = alloca i64 ; <i64*> [#uses=6]
- %retval = alloca i32 ; <i32*> [#uses=2]
- %iftmp.0 = alloca i32 ; <i32*> [#uses=3]
- %0 = alloca i32 ; <i32*> [#uses=2]
- %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
- store i64 %x, i64* %x_addr
- %1 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %2 = sub i64 0, %1 ; <i64> [#uses=1]
- %3 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %4 = and i64 %2, %3 ; <i64> [#uses=1]
- %5 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %6 = icmp ne i64 %4, %5 ; <i1> [#uses=1]
- br i1 %6, label %bb2, label %bb
-
-bb: ; preds = %entry
- %7 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %8 = icmp eq i64 %7, 0 ; <i1> [#uses=1]
- br i1 %8, label %bb2, label %bb1
-
-bb1: ; preds = %bb
- %9 = load i64* %x_addr, align 8 ; <i64> [#uses=1]
- %10 = call i64 @llvm.cttz.i64(i64 %9) ; <i64> [#uses=1]
- %11 = trunc i64 %10 to i32 ; <i32> [#uses=1]
- store i32 %11, i32* %iftmp.0, align 4
- br label %bb3
-
-bb2: ; preds = %bb, %entry
- store i32 -1, i32* %iftmp.0, align 4
- br label %bb3
-
-bb3: ; preds = %bb2, %bb1
- %12 = load i32* %iftmp.0, align 4 ; <i32> [#uses=1]
- store i32 %12, i32* %0, align 4
- %13 = load i32* %0, align 4 ; <i32> [#uses=1]
- store i32 %13, i32* %retval, align 4
- br label %return
-
-return: ; preds = %bb3
- %retval4 = load i32* %retval ; <i32> [#uses=1]
- ret i32 %retval4
+ ret i32 42
}
-declare i64 @llvm.cttz.i64(i64) nounwind readnone
+
+; PIC: .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
+; PIC: L_exact_log2$stub:
+; PIC: .indirect_symbol _exact_log2
+; PIC: mflr r0
+; PIC: bcl 20, 31, L_exact_log2$stub$tmp
+
+; PIC: L_exact_log2$stub$tmp:
+; PIC: mflr r11
+; PIC: addis r11, r11, ha16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)
+; PIC: mtlr r0
+; PIC: lwzu r12, lo16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)(r11)
+; PIC: mtctr r12
+; PIC: bctr
+
+; PIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
+; PIC: L_exact_log2$lazy_ptr:
+; PIC: .indirect_symbol _exact_log2
+; PIC: .long dyld_stub_binding_helper
+
+; PIC: .subsections_via_symbols
+
+; PIC64: .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
+; PIC64: L_exact_log2$stub:
+; PIC64: .indirect_symbol _exact_log2
+; PIC64: mflr r0
+; PIC64: bcl 20, 31, L_exact_log2$stub$tmp
+
+; PIC64: L_exact_log2$stub$tmp:
+; PIC64: mflr r11
+; PIC64: addis r11, r11, ha16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)
+; PIC64: mtlr r0
+; PIC64: ldu r12, lo16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)(r11)
+; PIC64: mtctr r12
+; PIC64: bctr
+
+; PIC64: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
+; PIC64: L_exact_log2$lazy_ptr:
+; PIC64: .indirect_symbol _exact_log2
+; PIC64: .quad dyld_stub_binding_helper
+
+; PIC64: .subsections_via_symbols
+
+; DYNAMIC: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16
+; DYNAMIC: L_exact_log2$stub:
+; DYNAMIC: .indirect_symbol _exact_log2
+; DYNAMIC: lis r11, ha16(L_exact_log2$lazy_ptr)
+; DYNAMIC: lwzu r12, lo16(L_exact_log2$lazy_ptr)(r11)
+; DYNAMIC: mtctr r12
+; DYNAMIC: bctr
+
+; DYNAMIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
+; DYNAMIC: L_exact_log2$lazy_ptr:
+; DYNAMIC: .indirect_symbol _exact_log2
+; DYNAMIC: .long dyld_stub_binding_helper
+
+; DYNAMIC64: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16
+; DYNAMIC64: L_exact_log2$stub:
+; DYNAMIC64: .indirect_symbol _exact_log2
+; DYNAMIC64: lis r11, ha16(L_exact_log2$lazy_ptr)
+; DYNAMIC64: ldu r12, lo16(L_exact_log2$lazy_ptr)(r11)
+; DYNAMIC64: mtctr r12
+; DYNAMIC64: bctr
+
+; DYNAMIC64: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
+; DYNAMIC64: L_exact_log2$lazy_ptr:
+; DYNAMIC64: .indirect_symbol _exact_log2
+; DYNAMIC64: .quad dyld_stub_binding_helper
projects / oota-llvm.git / blobdiff