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Diffstat (limited to 'test/CodeGen/SystemZ/frame-15.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/frame-15.ll | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/test/CodeGen/SystemZ/frame-15.ll b/test/CodeGen/SystemZ/frame-15.ll deleted file mode 100644 index f81c9dc5c2c4..000000000000 --- a/test/CodeGen/SystemZ/frame-15.ll +++ /dev/null @@ -1,355 +0,0 @@ -; Test the handling of base + index + 12-bit displacement addresses for -; large frames, in cases where no 20-bit form exists. The tests here -; assume z10 register pressure, without the high words being available. -; -; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | \ -; RUN: FileCheck -check-prefix=CHECK-NOFP %s -; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -disable-fp-elim | \ -; RUN: FileCheck -check-prefix=CHECK-FP %s - -declare void @foo(float *%ptr1, float *%ptr2) - -; This file tests what happens when a displacement is converted from -; being relative to the start of a frame object to being relative to -; the frame itself. In some cases the test is only possible if two -; objects are allocated. -; -; Rather than rely on a particular order for those objects, the tests -; instead allocate two objects of the same size and apply the test to -; both of them. For consistency, all tests follow this model, even if -; one object would actually be enough. - -; First check the highest in-range offset after conversion, which is 4092 -; for word-addressing instructions like LDEB. -; -; The last in-range doubleword offset is 4088. Since the frame has two -; emergency spill slots at 160(%r15), the amount that we need to allocate -; in order to put another object at offset 4088 is (4088 - 176) / 4 = 978 -; words. -define void @f1(double *%dst) { -; CHECK-NOFP-LABEL: f1: -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4092(%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f1: -; CHECK-FP: ldeb {{%f[0-7]}}, 4092(%r11) -; CHECK-FP: br %r14 - %region1 = alloca [978 x float], align 8 - %region2 = alloca [978 x float], align 8 - %start1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 1 - %ptr2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 1 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Test the first out-of-range offset. -define void @f2(double *%dst) { -; CHECK-NOFP-LABEL: f2: -; CHECK-NOFP: lghi %r1, 4096 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 0(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f2: -; CHECK-FP: lghi %r1, 4096 -; CHECK-FP: ldeb {{%f[0-7]}}, 0(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [978 x float], align 8 - %region2 = alloca [978 x float], align 8 - %start1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 2 - %ptr2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 2 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Test the next offset after that. -define void @f3(double *%dst) { -; CHECK-NOFP-LABEL: f3: -; CHECK-NOFP: lghi %r1, 4096 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f3: -; CHECK-FP: lghi %r1, 4096 -; CHECK-FP: ldeb {{%f[0-7]}}, 4(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [978 x float], align 8 - %region2 = alloca [978 x float], align 8 - %start1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 3 - %ptr2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 3 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Add 4096 bytes (1024 words) to the size of each object and repeat. -define void @f4(double *%dst) { -; CHECK-NOFP-LABEL: f4: -; CHECK-NOFP: lghi %r1, 4096 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4092(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f4: -; CHECK-FP: lghi %r1, 4096 -; CHECK-FP: ldeb {{%f[0-7]}}, 4092(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [2002 x float], align 8 - %region2 = alloca [2002 x float], align 8 - %start1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 1 - %ptr2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 1 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; ...as above. -define void @f5(double *%dst) { -; CHECK-NOFP-LABEL: f5: -; CHECK-NOFP: lghi %r1, 8192 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 0(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f5: -; CHECK-FP: lghi %r1, 8192 -; CHECK-FP: ldeb {{%f[0-7]}}, 0(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [2002 x float], align 8 - %region2 = alloca [2002 x float], align 8 - %start1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 2 - %ptr2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 2 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; ...as above. -define void @f6(double *%dst) { -; CHECK-NOFP-LABEL: f6: -; CHECK-NOFP: lghi %r1, 8192 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f6: -; CHECK-FP: lghi %r1, 8192 -; CHECK-FP: ldeb {{%f[0-7]}}, 4(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [2002 x float], align 8 - %region2 = alloca [2002 x float], align 8 - %start1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2002 x float], [2002 x float]* %region1, i64 0, i64 3 - %ptr2 = getelementptr inbounds [2002 x float], [2002 x float]* %region2, i64 0, i64 3 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Now try an offset of 4092 from the start of the object, with the object -; being at offset 8192. This time we need objects of (8192 - 168) / 4 = 2004 -; words. -define void @f7(double *%dst) { -; CHECK-NOFP-LABEL: f7: -; CHECK-NOFP: lghi %r1, 8192 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4092(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f7: -; CHECK-FP: lghi %r1, 8192 -; CHECK-FP: ldeb {{%f[0-7]}}, 4092(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [2004 x float], align 8 - %region2 = alloca [2004 x float], align 8 - %start1 = getelementptr inbounds [2004 x float], [2004 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2004 x float], [2004 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2004 x float], [2004 x float]* %region1, i64 0, i64 1023 - %ptr2 = getelementptr inbounds [2004 x float], [2004 x float]* %region2, i64 0, i64 1023 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Keep the object-relative offset the same but bump the size of the -; objects by one doubleword. -define void @f8(double *%dst) { -; CHECK-NOFP-LABEL: f8: -; CHECK-NOFP: lghi %r1, 12288 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 4(%r1,%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f8: -; CHECK-FP: lghi %r1, 12288 -; CHECK-FP: ldeb {{%f[0-7]}}, 4(%r1,%r11) -; CHECK-FP: br %r14 - %region1 = alloca [2006 x float], align 8 - %region2 = alloca [2006 x float], align 8 - %start1 = getelementptr inbounds [2006 x float], [2006 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2006 x float], [2006 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2006 x float], [2006 x float]* %region1, i64 0, i64 1023 - %ptr2 = getelementptr inbounds [2006 x float], [2006 x float]* %region2, i64 0, i64 1023 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Check a case where the original displacement is out of range. The backend -; should force an LAY from the outset. We don't yet do any kind of anchor -; optimization, so there should be no offset on the LDEB itself. -define void @f9(double *%dst) { -; CHECK-NOFP-LABEL: f9: -; CHECK-NOFP: lay %r1, 12296(%r15) -; CHECK-NOFP: ldeb {{%f[0-7]}}, 0(%r1) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f9: -; CHECK-FP: lay %r1, 12296(%r11) -; CHECK-FP: ldeb {{%f[0-7]}}, 0(%r1) -; CHECK-FP: br %r14 - %region1 = alloca [2006 x float], align 8 - %region2 = alloca [2006 x float], align 8 - %start1 = getelementptr inbounds [2006 x float], [2006 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [2006 x float], [2006 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [2006 x float], [2006 x float]* %region1, i64 0, i64 1024 - %ptr2 = getelementptr inbounds [2006 x float], [2006 x float]* %region2, i64 0, i64 1024 - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} - -; Repeat f2 in a case that needs the emergency spill slots, because all -; call-clobbered and allocated call-saved registers are live. Note that -; %vptr and %dst are copied to call-saved registers, freeing up %r2 and -; %r3 during the main test. -define void @f10(i32 *%vptr, double *%dst) { -; CHECK-NOFP-LABEL: f10: -; CHECK-NOFP: stg [[REGISTER:%r[1-9][0-4]?]], [[OFFSET:160|168]](%r15) -; CHECK-NOFP: lghi [[REGISTER]], 4096 -; CHECK-NOFP: ldeb {{%f[0-7]}}, 0([[REGISTER]],%r15) -; CHECK-NOFP: lg [[REGISTER]], [[OFFSET]](%r15) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f10: -; CHECK-FP: stg [[REGISTER:%r[1-9][0-4]?]], [[OFFSET:160|168]](%r11) -; CHECK-FP: lghi [[REGISTER]], 4096 -; CHECK-FP: ldeb {{%f[0-7]}}, 0([[REGISTER]],%r11) -; CHECK-FP: lg [[REGISTER]], [[OFFSET]](%r11) -; CHECK-FP: br %r14 - %region1 = alloca [978 x float], align 8 - %region2 = alloca [978 x float], align 8 - %start1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %ptr1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 2 - %ptr2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 2 - %i0 = load volatile i32 , i32 *%vptr - %i1 = load volatile i32 , i32 *%vptr - %i2 = load volatile i32 , i32 *%vptr - %i3 = load volatile i32 , i32 *%vptr - %i4 = load volatile i32 , i32 *%vptr - %i5 = load volatile i32 , i32 *%vptr - %i14 = load volatile i32 , i32 *%vptr - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - store volatile i32 %i0, i32 *%vptr - store volatile i32 %i1, i32 *%vptr - store volatile i32 %i2, i32 *%vptr - store volatile i32 %i3, i32 *%vptr - store volatile i32 %i4, i32 *%vptr - store volatile i32 %i5, i32 *%vptr - store volatile i32 %i14, i32 *%vptr - ret void -} - -; Repeat f2 in a case where the index register is already occupied. -define void @f11(double *%dst, i64 %index) { -; CHECK-NOFP-LABEL: f11: -; CHECK-NOFP: lgr [[REGISTER:%r[1-9][0-5]?]], %r3 -; CHECK-NOFP: lay %r1, 4096(%r15) -; CHECK-NOFP: ldeb {{%f[0-7]}}, 0([[REGISTER]],%r1) -; CHECK-NOFP: br %r14 -; -; CHECK-FP-LABEL: f11: -; CHECK-FP: lgr [[REGISTER:%r[1-9][0-5]?]], %r3 -; CHECK-FP: lay %r1, 4096(%r11) -; CHECK-FP: ldeb {{%f[0-7]}}, 0([[REGISTER]],%r1) -; CHECK-FP: br %r14 - %region1 = alloca [978 x float], align 8 - %region2 = alloca [978 x float], align 8 - %start1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 0 - %start2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 0 - call void @foo(float *%start1, float *%start2) - %elem1 = getelementptr inbounds [978 x float], [978 x float]* %region1, i64 0, i64 2 - %elem2 = getelementptr inbounds [978 x float], [978 x float]* %region2, i64 0, i64 2 - %base1 = ptrtoint float *%elem1 to i64 - %base2 = ptrtoint float *%elem2 to i64 - %addr1 = add i64 %base1, %index - %addr2 = add i64 %base2, %index - %ptr1 = inttoptr i64 %addr1 to float * - %ptr2 = inttoptr i64 %addr2 to float * - %float1 = load float , float *%ptr1 - %float2 = load float , float *%ptr2 - %double1 = fpext float %float1 to double - %double2 = fpext float %float2 to double - store volatile double %double1, double *%dst - store volatile double %double2, double *%dst - ret void -} |
